Bottle-top filters are used in research laboratories for sterilization or laboratory fluid clarification. Filtering media for highly sensitive stem cells, however, introduces the possibility of removing important growth factors or adding compounds from the filter that may adversely affect the culture. The filter membrane is Polyethersulfone (PES) material in 0. Suitable for tissue culture applications, these filters provide low protein binding and. 1 micron from to 5. Steriflip®-GP Filter Unit Millipore Express® PLUS (PES) 0. View all products. Stericup Quick Release-GP sterile vacuum filtration system combines a 500 mL Steritop bottle top filter unit, which uses a 0. PES membrane filter is specially designed for biochemical, inspection, pharmaceutical, and sterilization filtration devices. Convenient storage of filtrate or concentrated sample in standard microfuge tube. 2 µm, 10 , 25pc. 26. Discover our high-quality Polyethersulfone (PES) membrane filters for lab filtration. 1 L/min/ft 2). 5 mm and 75 mm diameters. 00; Ex Tax: $0. 3) Potential interactions (binding) between the membrane and sample components. Testing Millex ® Syringe Filters with Water Samples using Modified EPA 537. Filter & Sort. Microfiltration Durapore PVDF cut discs are available 0. Are you looking for high-quality microporous PES membranes for your filtration applications? Download the brochure from Sartorius and learn about the features and benefits of their PES membranes, such as low protein binding, high flow rates, and broad chemical compatibility. Cobetter polyethersulfone (PES) membrane is made of a modified polyethersulfone polymer cast. 62 cm 2 fit into the filter cartridge. OS070T12. mdi syringe filter type SYPL have a PES membrane filter in a polypropylene housing. Nylon 6,6 Multi-zone Microporous Membrane (3) Nylon 6,6 (3) Nylon 6,6 Microporous Membrane (2) Charge Modified Nylon 6,6 (1) Nylon (1) Graded Density Polypropylene (1) + Show all;. 22 µm pore size fast flow polyethersulfone (PES) Express PLUS membrane. 1 or 0. 2/0. The pore structure varies within the thickness of the membrane such that the largest openings occur on one side and the smallest openings occur on the opposite side. Sterile, 1000 mL Steritop Quick Release-GP 45 mm threaded bottle top filter with 0. Add to quote list. PES flat sheet membranes with and without APTS-functionalized GO were prepared via the phase inversion technique. The pore structure varies within the thickness of the membrane such that the largest openings occur on one side and the smallest openings occur on the opposite side. 7 nmol for a membrane area of 0. The optimized asymmetric structure, enhanced hydrophilicity and high porosity provides extraordinary high flow rate and contaminants retention capacity. 47 mm, hydrophilic; Synonyms: Hydrophilic polyethersulfone membrane filter discs,Millipore Express PLUS Membrane Filter,PES membrane filter discs; find Millipore-HPWP04700 MSDS, related peer-reviewed papers, technical documents, similar products & more at. SLGP033RB. Durapore® Membrane Filter, 0. 2 mm pore size. Expand. From this study, nanocarbon. 00Sterlitech PES (polyethersulfone) membrane filters, 0. •Both Ultracel, Durapore, and Biomax membranes are available in a wide range of pore sizes to meet your separation. An easy method to prepare hydrophilic PES membranes with anti-fouling properties was developed by UV-polymerization of poly vinyl pirrolidone (PVP) on membrane surfaces. Description Membrane Pore Size (µm) Qty/Pk Catalogue No. 45 μm, cartridge nominal length 30 in. 22 µm and 0. It can resist the temperatures up to 150°C. Highly sulfonated PES was synthesized by. PES membranes and exclusive Rapid-Flow design provide fast flow rates and high throughput while defending against cell culture contamination. PES/PS Membrane. PES membranes. 3% per annum from 2017 to 2025 to extent a. , for proteins 2–10 μg cm –2) and may increase in case the filtrate is of interest (for proteins up to 20–100 μg cm –2). Hydrophilic, low protein/drug binding, minimal extractables, and broad chemical tolerance; ideal for pharmaceutical, medical, and life science applications. Their high performance and superior gamma stability. Features and Benefits. An extensive selection of glass, stainless steel, and plastic filter holders for use with cut disc membrane filters for liquid and gas filtration, including syringe filter holders, in-line filter. This makes them versatile for use in various filtration processes involving different chemicals. Membranes and media liquid. Syringe Filters. 25% to 1%, the. 01 μm in size. Go Back Vacuum Filtration. 2 µm sterilizing PES membrane for plugging streams; Millipore Express ® SHF (Sterile, High Flux) Filters: 0. Do not remove the. 22 µm Durapore ® PVDF membranes for sterilization of aqueous solutions with very low protein bindingPES membrane SFCA membrane PTFE membrane RC membrane Nylon XXX GF depth filter Housing MBS Housing PP Minisart. less number of filter changes and overall economy of operations. Filters feature printing on the funnel for easy product identification. 1. Suitable for tissue. 45um Millex HV syringe filters (Cat. Moreover, it can be observed that the rejection of most of the heavy metals present. Background Information. CN and PES are multilayer-hole filters with a complex network of interconnected pores, deep and curvy pore canals [29], [30]. This PES membrane filter is permanently hydrophilic, with broad chemical compatibility and extremely low extractable levels in a wide range of fluids and applications. sanitary flange connections. Polyethersulphone (PES) Polyethersulfone membrane filters feature low protein binding, are hydrophilic and stable in alkaline pH. On Request. 5 mL, 2–6 mL, 5–20 mL, and 20–100 mL concentrators is approximately 15 µL, 30 µL, 50 µL, and 350 µL, respectively. 45 µm pore size, gridded. Choose from various sizes and membrane options. The PVDF and PES membranes used were of sterilising grade with 0. This PES membrane filter is permanently hydrophilic, with broad chemical compatibility and extremely low extractable levels in a wide range of fluids and applications. Its Millipore code is VV. These devices are available with PTFE membranes, Polypropylene housing and 0. IV filtration. STERILE SYRINGE FILTERS - sterile syringe filters are made with PES membrane filters with polypropylene (PP) housing, using the most advanced methods and design features. NF membranes exhibit performance between RO and UF membranes. Corning® 1000 mL Vacuum Filter/Storage Bottle System, 0. Sterlitech PES (polyethersulfone) membrane filters, 1. With PES syringe filter membrane mechanically strong character, it can handle high-temperature liquids, with great flow rate (better than PTFE), and low protein binding. Polyethersulfone (PES) is a low price commercial polymer, which is widely used in phase inversion fabrication of the polymer membranes for microfiltration, ultrafiltration and gas separation due. PES membranes. In the case of water filtration, the hydrophilic nature of PES contributes superior water permeability and wettability to separation membranes. 22 µm pore size hydrophilic Polyethersulfone (PES) membrane. 2 μm pore size prior to use in order to sterilize and degas. PES membrane filters are hydrophilic, low protein binding, and compatible with food contact under 21CFR177. Materials and Methods. One important parameter for the membrane performance is its capability to filter solutions, referred to as flux or. Device Formats: Device formats are fully scalable. PES membranes nonspecifically bound over 6 times more protein than the Express (PES) membrane. PES filter membrane has high safety and a wide range of applications. Extractables of PES Membrane Filters Identification, Lessons Learned and Rinsing Recommendation Uventia 2 nd Annual Extractables & Leachables Summit 2022 - 31 st of March 2022 Dr. 85") discs. PES filters are hydrophilic and can withstand high temperatures 135 °C (275 °F) without membrane degradation as required for autoclaving applications. Features & Benefit:After weighing, the membrane was found to provide enough virus protection. 22µm/0. 22 µm, and 0. Comprehensive portfolio of disc membrane filters with a variety of materials, diameters and pore sizes for diverse applications. SLGP033RB. 0 μm PES membranes, respectively. They remove the need for the use of surfactants to improve dampness and comes with high flow rate and high load capacity. Cobetter’s PES membrane filter has very low protein binding and high liquid flow rates. Products Building Blocks Explorer Genes Papers Technical Documents Site Content Chromatograms. 5–7. Numerous studies on PES membranes have been carried out with the aim to enhance the hydrophilicity and performance, including through an improvement in their preparation process (blending) and by surface modification of the nascent membranes. Sterlitech PES (polyethersulfone) membrane filters, 0. SKU. Millipore. 5 mL) protein and nucleic acid solutions using our Biomax ® PES membrane. Description. Sartopore 2 Cartridge, 0. Compared to the pristine PES membrane, the antifouling ability of the PES membrane incorporated with F-MWCNT/PVP membrane is greater, recording 81. Polyethersulfone (PES) Membrane. PES. Premium PES syringe filter with PVDF syringe filters for myoglobin samples at different concentrations. With PES syringe filter membrane mechanically strong character, it can handle high-temperature liquids, with great flow rate (better than PTFE), and low protein binding. Mlllex®-GP Filter Unit (Sterile) A 33 mm diameter sterile syringe filter with a 0. Trade Name. 22 µm pore size hydrophilic Polyethersulfone (PES) membrane. 0 20 40 60 80 100 120 Agilent PES filter PVDF filter A PVDF filter B PVDF filter C PVDF filter D F i l t r a t i o n r e c o v e r y (%) BSA D BSA M Myoglobin D Myoglobin M Ovalbumin D Ovalbumin M Cytochrome C. Recommended for use in HPLC and protein recovery applications. 1. The cartridges are constructed from one layer of polyethersulfone (PES) membrane in a laid-over pleat configuration. Slide 1 of 10. mdi syringe filter type SYPL have a PES membrane filter in a polypropylene housing. 22 micron (μm). 05% Fe 2 O 3 (M2) of 66 % while the PES pristine membrane showed the lowest value of FRR. Filter capsules for rinsing tests. Sartobran ® P is the widely accepted sterile filter platform of choice for vaccine and blood & plasma products providing the highest product yield and exceptional throughput. PES is hydrophilic and constructed from pure polyethersulfone polymer membrane for maximum sample recovery. Download: English. Polyethersulfone (PES) membrane filters are used for this purpose due to the low protein binding and low extractable properties of the material. Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Filter Units with PES, CN, SFCA or Nylon Membranes. Constructed from material meeting USFDA Title 21 and USP Class VI the filter also meets the current USP requirements for extractables. Polystyrene Bottle Top Filters - Surfactant Free Cellulose Acetate Membrane Nalgene 292 Sterile Specially designed for use with reusable glass media storage bottles Fits size 1,000 mL bottles with standard 33 or 45 mm neck finish Contains a 90 mm SFCA membrane filter with 0. Polyethersulfone (PES), as shown in Figure 1, is considered one of the well-known polymeric material to be used to make ultrafiltration (UF), microfiltration (MF), and gas separation membranes since it provides unique properties such as outstanding thermal, mechanical, hydrolytic strength in both hot and wet. EZFlow® Membrane Disc Filter, PES, 0. This study includes the fabrication of highly sulfonated polyethersulfone (SPES)/polyethersulfone (PES) blended membranes with superior properties for effective oil/water separation. Prefiltration and Depth Filters. 65 micron pore size, 293 mm diameter, pack of 25. Prefiltration: Prefiltration utilizes large pore membrane filters to remove large particulates, such as dirt or sediment, from samples prior to filtration with a smaller pore membrane filter. For help determining which device would be best for your solution, call Millipore. 05% carbon (M3), has the highest FRR value of 76 %, followed by the PES membrane with the addition of 0. Sartorius produces a wide variety of microporous membranes for the biotechnology industry, including PES (polyethersulfone) membranes. 5 mL) protein and nucleic acid solutions using our Biomax ® PES membrane. They are designed to eliminate particulates during standard filtration, and its. Microfiltration Durapore PVDF cut discs are available 0. 5 mL tubes. As the first and best source technology company in Korea, we will strive to become the global No. 1 µm至0. 0. Supplier: Thermo Scientific™ 5670020. Incorporating a high flow, low binding polyethersulphone (PES) membrane, PROPOR SG 0. View PES Membrane Filters View PES Syringe FiltersAvailable with multiple membrane types to accommodate varying application needs with capacities up to 2 L. 0. Filter Code: GP. On the other hand, active foulants may reach the membrane surface first and bridge inert deposits to it [31], [32]. The material of the gridded membrane is mixed cellulose ester and gridded with a 0. 0. 04 µm to 0. Millipore Express ® SHC (Sterile, High Capacity) Filters: 0. Each gridded disc filter is sterilized by gamma…. Increase filtration efficiency. It is also widely employed in biomedical fields such as artificial organs and medical devices used for blood purification (hemodialysis, hemodiafiltration, hemofiltration, plasmapheresis and. 1μm/0. We combine two asymmetric polyethersulfone (PES) membrane layers with Advanced Pleat Technology in manufacturing LifeASSURE™ PDA Series Filter Cartridges, creating a filter that provides high throughput and fast flow. 61. Polyethersulfone (PES) is the most commonly used polymer for membrane ultrafiltration because of its superior properties. These 25 mm syringe filters offer an available prefiltration layer and wide choice of filter media. 22 pore size membrane? Yes. When viewing the membrane with reflected light at low incidence angles, each side has a somewhat. excellent throughputs especially for difficult to filter turbid solutions. 7% flux recovery and 80. 03 micron pore size, 47 mm diameter, pack of 100. Sterlitech PES (polyethersulfone) membrane filters, 1. 2 μm membrane filter and related products for scientific research at MilliporeSigma. Mlllex®-GP Filter Unit (Sterile) MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents. They. These filters are ethylene…. 4 Very Low Hold-Up Volumes mdi PES membrane capsule filters are designed to offer very low hold-up volumes to minimize filtration losses and maximize product recovery. 45 μm, 25 mm, 100/pk. 45 μm, 25 mm, 100/pk. However, high particulate content tends to rapidly clog. 2µm units for sterile filtration. (25 cm) Show Pricing & Availability United States. 0. The coating solution was produced by mixing chitosan solution (2% w/v in CH 3 COOH 1%) and NH 4 Cl aqueous solutions. From 168. Numerous studies on PES membranes have been. The Sartopore® Air Midisart® PES membrane filters outperform any PVDF filters easily. The low protein binding PES membrane make these ideal for life science research applications, particularly where sample size is very small and recovery of a protein of interest is sought. Separation. Filter Devices are available in various materials, sizes, and concentration specifications. Filters containing Millipore Express® membranes provide broad chemical compatibility Validation of the gDNA isolation method using the PES membrane filter . Corning is a. Description Pricing; CMP471TS1: pore size 1. These concentrators have a MWCO of 10K and can be used for processing sample volumes from 0. For comparison, a number of similar tests were also conducted on the commercially available membrane disc filters from Pall Corporation, NY: hydrophobic asymmetric Supor®-200 PES (diameter 90 mm, thickness 145 μm, nominal pore size 0. The pore structure varies within the thickness of the membrane such that the largest openings occur on one side and the smallest openings occur on the opposite side. Millipore Express ® PLUS PES membranes offer fast flow, high filter capacity and low protein binding, while remaining bacterially retentive. However, PS and PES membranes are susceptible to oxidising agents, such as chlorine or hydrogen. 05% Fe 2 O 3 (M2) of 66 % while the PES pristine membrane showed the lowest value of FRR. 2 µm rated sterile filters, the industry specifically developed finer filter membranes (0. The bi-directionally supported Millex-GP 50 filter is a sterilizing filter for aqueous solutions. Membrane performance of PES hollow fibers can be controlled by manipulating the membrane. Precipitation of the viruses can proceed overnight at 4 ℃ if needed. Membrane performance of PES hollow fibers can be controlled by manipulating the membrane. 26 x 2. Excellent Flow Rates and Gamma Compatibility Bring Your Air and Gas Filtration Ideas to Reality. A broad variety of different pore size combinations ensures highly economic and safe filtration performance. With the Biomax membrane, Microcon ® filters offer: Reverse spin to maximize recovery, even in the smallest samples. The polyethersulfone (PES) membrane filters have asymmetrical pore structure. 2 micron pore size, 47 mm diameter, pack of 100. The membranes are available in a range of. The unique asymmetric structure of Millipore Express ® PLUS membranes extends filtration capacity and lifetime, allowing them to tolerate higher particle loads and protein concentrations. 2/0. We performed at least 4 independent isolations for every set. CELLTREAT Vacuum Filter Systems are ideal for large volume sample separation and purification. Filter Integrity Test Unit - Porecheck 4. Sterlitech PES (polyethersulfone) membrane filters, 0. 2 μm membrane filter and related products for scientific research at MilliporeSigma. All filter capsules were of size 10" and were based on PES and PVDF membranes and are commercially available. Hydrophilic, low protein/drug binding, minimal extractables, and broad chemical tolerance; ideal for pharmaceutical, medical, and life science applications. 2 µm. PES membrane filters also have similar protein binding characteristics. Prefiltration to improve filter performance can also be accomplished by the use of glass fiber prefilters that can be purchased separately. Increase filtration efficiency. Supor EKV filters feature 0. Water filtration for healthcare. Microcon ® Centrifugal Filters with Biomax ® PES Membranes . Prefiltration: Prefiltration utilizes large pore membrane filters to remove large particulates, such as dirt or sediment, from samples prior to filtration with a smaller pore membrane filter. Hydrophilic, low protein/drug binding, minimal extractables, and broad chemical tolerance; ideal for pharmaceutical, medical, and life science applications. Overview of Non-Sterile Millex® Syringe Filters with PES Membrane: • Non-sterile Millex® syringe filters with Millipore Express® PLUS polyethersulfone (PES) membrane provide fast filtration of aqueous and mild organic solutions. Millipore. 45 µm or larger filter membranes. 2um Milligard ® PES Cartridge FiltersClear Sorting & Filtering Show Filter Hide Filter; Catalogue Number Pore Size Cartridge Nominal Length; CMP471TS1: 1. For example, hydrophilic PVDF microporous membrane was found to be extremely inert and has. When viewing the membrane with reflected light at low incidence angles, each side has a somewhat. Mlllex®-GP Filter Unit (Sterile) A 33 mm diameter sterile syringe filter with a 0. 45μm. Maximum Autoclave Specifications Temp (°C) Time (min) No. 1. S2GPT10RE. 1. 1 m² effective filtration area (EFA) 1000 cm². Showing 1-12 of 12 results for "0. Legal Information. 0 LRVs. Simply and efficiently concentrate and desalt solutions of any macromolecule, using any centrifuge that can accept 1. Milligard® PES membrane filter Benchmark prefilters (membrane pore size) PES sterilizing-grade membrane filter (membrane pore size) PVDF sterilizing-grade membrane filter (membrane pore size) Milligard® PES 1. Add to Cart. The pore structure varies within the thickness of the membrane such that the largest openings occur on one side and the smallest openings occur on the opposite side. Due to its ability to survive high temperatures for sustained periods, PES is finding applications. Hollow Fiber Filters Overview Spectrum Hollow Fiber Filter Modules; Spectrum Hollow Fiber Membranes. 1. 1. PES filters are generally preferred for media filtration due to their faster flow rate, especially with more viscous, serum-containing media. 5, 76, 90 and 150 mm. Millipore. d. • Available in 0. The full-scale process was scaled down using a 47-mm disk (13. 250ml Filter Cups; 500ml Filter Cups; 1000ml Filter Cups;We combine two asymmetric polyethersulfone (PES) membrane layers with our Advanced Pleat Technology in manufacturing LifeASSURE™ PDA Series Filter Capsule. Absolute ratings from 0. Polyethersulfone PES. However, high particulate content tends to rapidly clog. 45 µm pore sizes in both 63. For the small protein aprotinin (6. 200=200m. 00 USD. 95±15. AB05EKV2PH4. SKU. In terms of particle retention, filters fall into two categories: surface filters and depth filters. 33. The concentrations of all the components in the polymer casting solutions are shown in Table 1. 可完全在水中进行完整性测试. 跨pH 1-14的化学兼容性. Syringe filters are attached to the end of a syringe to remove particles from a sample prior to analysis. 9% efficiency, by its ability to filter particles from air streams. PureFlo ® Z Series PES filters feature a hydrophilic, asymmetric polyethersulfone (PES) membrane which demonstrates exceptional throughput capacity and flow performance in liquid applications. 45 µm membranes are considered general purpose filters. eCl@ss: 32031602. Designed for filtration and purification in a sterile environment. 1 and 0. This Polyvinylidene Fluoride (PDVF) hydrophilic membrane by GVS provides a way to sterilize filtration of…. 22 μm Pore Size. Description. 1 company based on our independent technology. 0. 22 µm Millipore Express PES membrane for filter sterilization with fastest flow rates; 0. However, the Durapore (PVDF) mem-brane bound the least protein among the samples tested. 2. None of these published compatibility guides, for example, monitors the solvent’s ability to wet a membrane or increase extractables. , 10 and 50 ppm) were selected as examples. Filter Type: Membrane: Format: Microcentrifuge, Spin Column: Material (Membrane) PES: MWCO: 10 kDa:. STyLUX ® PES过滤器作为一款绝对精度的聚醚砜膜过滤器,旨在以极低的压降在高流速下提供更多的细菌、病毒和微粒去除。. A PES membrane filter is a common membrane and the world’s advanced microporous filter membrane. 11 USD. PES membranes were exposed to the following chemicals for 48 hours. Hydrophilic PES membrane consists of pure polyether sulfone polymers without support. Hydrophilic, low protein/drug binding, minimal extractables, and broad chemical tolerance; ideal for pharmaceutical, medical, and life science applications. Conclusion. Quick Order Sign in Use Choice PES (Polyethersulfone) Syringe Filters for IC samples, and filtration of tissue cultures, proteins, nucleic acids, and high-temperature liquids. 5, 0. Hydrophilic, low protein/drug binding, minimal extractables, and broad chemical tolerance; ideal for pharmaceutical, medical, and life science applications. 33mm diameter membranes available with 0. Millipore. Milligard ® PES Cartridge Filter. 2 µm PES Membrane Filter Devices Types of Solutions Filtered Foetal Calf Serum 5% BSA MEM. 20um or 0. Unique low adsorptive cellulose acetate. 2 µm occurring from incompatibility reactions are retained by the IV filter membrane. 1 of 10. 2 / 0. Chemical Compatibility: PES filter membranes are chemically resistant to a broad range of solvents, acids, and bases. 1 micron pore size, 200 x 200 mm sheets, pack of 5. 50 See promotional offers below. 45 μm PES membrane. Sterile tissue culture-tested syringe filters are available in PES, regenerated cellulose, or surfactant-free cellulose acetate membranes in either polypropylene or acrylic copolymer housings. effect of TiO2 in the membrane performance, the amount of TTIP in the sol solution decreased from 1 to 0. Whatman Polycap TC capsule. Name A-Z. Naturally hydrophilic: Eliminates. 45 µm pore sizes in both 63. A typical membrane cartridge will have anywhere between 6 ft 2 and 8 ft 2 of surface area per 10” filter length. This forms a more adhesive cake and hence fouling becomes more irreversible. All of these filters come with an asymmetric polyethersulfone (PES) membranes. The attachments are ideal for use with cell culture and serum-containing media, and asymmetrical hydrophilic membrane styles provide high flow rates. 2/0. 1 µm, 0. Hide. Hawach has developed a high flux sterilizing-grade PES membrane filter for the filtration of solvents, which is available in. Specific water fluxes of 10,689 and 28,616 LMH/bar were observed for the 0. GVS Filter Technology. Microcon ® centrifugal filters are designed to concentrate and desalt low volume (≤ 0. GVWP04700. 45 25 SE1M003M00 Steriflip® Steri-Strainer Nylon Net 100 25 SCNY00100 60 25 SCNY00060. PES Membrane Filter, 0. Catalogue Number. 2 / 0. PVDF Membrane; PES Membrane; Cell Strainers; Vacuum Filtration. HPWP02500. 22 µm pore size hydrophilic Polyethersulfone (PES) membrane. Comes in a pack of 250 - Find MSDS or SDS, a COA, data sheets and more information. PES Membrane Separation By Hiroyasu Yamauchi. 2 or. …. g. 45µm pore sizes. View Price and Availability. Millipore Express ® PLUS PES membranes offer fast flow, high filter capacity and low protein binding, while remaining bacterially retentive. 3. Membrane Configurations PureFlo® Z Series PES capsules incorporate a final sterilizing grade 0. Overview of Non-Sterile Millex ® Syringe Filters with PES Membrane: • Non-sterile Millex syringe filters with Millipore Express PLUS polyethersulfone (PES) membrane provide fast filtration of aqueous and mild organic solutions. PBVK07610. mdi AseptiCap KS PES membrane large capsule filters are available in a wide range of pore sizes, sizes and end connections to suit a multitude of sterilization applications in biopharmaceuticals production processes. 7µm Pore Size - 1µm Pore Size - 2µm Pore Size - 2. 2. 1. PES is often used in the manufacture of hemodialyzers, blood concentrators, artificial. 2 µm PES Membrane Filter Devices Types of Solutions Filtered Foetal Calf Serum 5% BSA MEM. 18, Power at atm. Vacuum Filtration Systems. 22 µm pore size hydrophilic Polyethersulfone (PES) membrane.