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Membrane Filters

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Membrane Filters

Membrane filters serve as effective physical barriers that remove solids, viruses, bacteria, and other unwanted molecules. Specialized types are designed for softening, disinfecting, organic removal processing, and water desalination. The filters can be installed in compact, automated, or modular units. These strainers can be used as separators between stacked discs in a single filter holder during serial filtration. Membrane filters are virtually inert to chemical and biological agents, ensuring stability when filtering concentrated acids, alkalis, or oxidizers.


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Description:   0.45um pore size. 47mm diameter. Plain, sterile. Mixed cellulose esters. For isolation and enumeration of heterotrophic bacteria. For microbiological analysis. MF technique certified. Individually packed.
Catalog Number: 28148-399
Supplier: Cytiva


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Description:   0.45um pore size. 25mm diameter. Grid, nonsterile. Mixed cellulose esters. For isolation and enumeration of total and fecal coliforms, E. coli, fungi, heterotrophic bacteria. For microbiological analysis. Certified for MF technique. Autoclavable. Bulk pack.
Catalog Number: 28148-675
Supplier: Cytiva


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Description:   3.0um pore size. 142mm diameter. Acrylic copolymer on a nonwoven support. Strong, flexible, nonshedding when dry/wet. High flow rate at low differential pressure. Use as a prefilter to replace glass fiber. UV or gamma sterilizable. Strength in excess of 200bar.
Catalog Number: 28149-638
Supplier: Cytiva


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Description:   0.45um pore size. 142mm diameter. Acrylic copolymer on a nonwoven support. Strong, flexible, nonshedding when dry/wet. High flow rate at low differential pressure. Use as a prefilter to replace glass fiber. UV or gamma sterilizable. Strength in excess of 200bar.
Catalog Number: 28149-809
Supplier: Cytiva


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Description:   1,000 MWCO. 43mm dia. Omega* modified polyethersulfone for stirred cell systems. Low protein-binding. High flow rates and recoveries. Can be washed and reused up to 20 times. Nonsterile. Sanitizable. pH range: 1-14. Operating range 0-40[degree]C.
Catalog Number: 29300-120
Supplier: Cytiva



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Description:   0.2um pore. 142mm diameter. Hydrophilic nylon filter compatible with esters, bases, alcohols. Not for acids>1N or halogenated solvents. Naturally wettable to aqueous solutions. HPLC certified for low levels of UV-absorbing extractables. 25/pk.
Catalog Number: 28140-042
Supplier: Cytiva


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Description:   0.2um pore size. 13mm diameter. Plain, nonsterile. Supor hydrophilic polyethersulfone membrane for high flow rate, low protein binding, low extractables. Stronger than acetate and nitrate membranes. Very high water flow, fluid filtration capacity. Autoclavable. 100/pk.
Catalog Number: 28147-945
Supplier: Cytiva


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Description:   0.8um Metricel black polyethersulfone (PES) gridded filters. 0.8um black membrane is often used in the beverage industry for better throughput. 200 pieces per box, 5 boxes per pack (1000 membranes per pack)
Catalog Number: 30617-204
Supplier: Cytiva


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Description:   Reduce filtration time; optimised for biological, pharmaceutical, and sterilizing filtration requirements. Fast filtration with superior flow rates and high throughputs. Low protein binding and extensive drug compatibility for critical applications.
Catalog Number: 28100-006
Supplier: Cytiva


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Description:   Hydrophilic polyethersulfone. Pore size: 0.45 um. Diameter: 50 mm, plain. Typical Water Flow Rate mL/min/cm2 at 0.7 bar (70 kPa, 10 psi): 58. Typical Thickness: 140 um.
Catalog Number: 87003-818
Supplier: Cytiva


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Description:   0.1um pore size. 90mm diameter. Plain. Nonsterile. Supor hydrophilic polyethersulfone membrane for high flow rate, low protein binding, low extractables. Stronger than acetate and nitrate membranes. Very high water flow, fluid filtration capacity. Autoclavable. 100/pk.
Catalog Number: 28146-992
Supplier: Cytiva


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Description:   30,000 MWCO. 43mm dia. Omega* modified polyethersulfone for stirred cell systems. Low protein-binding. High flow rates and recoveries. Can be washed and reused up to 20 times. Nonsterile. Sanitizable. pH range: 1-14. Operating range 0-40[degree]C.
Catalog Number: 29300-130
Supplier: Cytiva



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Description:   30,000 MWCO. 62mm dia. Omega* modified polyethersulfone for stirred cell systems. Low protein-binding. High flow rates and recoveries. Can be washed and reused up to 20 times. Nonsterile. Sanitizable. pH range: 1-14. Operating range 0-40[degree]C.
Catalog Number: 29300-100
Supplier: Cytiva



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Description:   0.45um pore. 47mm diameter. Hydrophilic nylon filter compatible with esters, bases, alcohols. Not for acids>1N or halogenated solvents. Naturally wettable to aqueous solutions. HPLC certified for low levels of UV-absorbing extractables. 100/pk.
Catalog Number: 28140-141
Supplier: Cytiva


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Description:   0.8um pore size. 47mm diameter. Plain, nonsterile. Supor hydrophilic polyethersulfone membrane for high flow rate, low protein binding, low extractables. Stronger than acetate and nitrate membranes. Very high water flow, fluid filtration capacity. Autoclavable. 100/pk.
Catalog Number: 28147-468
Supplier: Cytiva


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Description:   0.1um pore size. 47mm diameter. Plain. Nonsterile. Supor hydrophilic polyethersulfone membrane for high flow rate, low protein binding, low extractables. Stronger than acetate and nitrate membranes. Very high water flow, fluid filtration capacity. Autoclavable. 100/pk.
Catalog Number: 28146-991
Supplier: Cytiva


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