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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.

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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Product Image-28140-141

Nylaflo* Membrane Disc Filter

Catalog Number: (28140-141)
Supplier: GE Healthcare - Whatman
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.

Product available on GSA Advantage®


Product Image-28140-044

Nylaflo* Membrane Disc Filter

Catalog Number: (28140-044)
Supplier: GE Healthcare - Whatman
Description: 0.45um pore. 90mm 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.

Product available on GSA Advantage®


Product Image-28140-042

Nylaflo* Membrane Disc Filter

Catalog Number: (28140-042)
Supplier: GE Healthcare - Whatman
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.

Product available on GSA Advantage®


Product Image-28140-041

Nylaflo* Membrane Disc Filter

Catalog Number: (28140-041)
Supplier: GE Healthcare - Whatman
Description: 0.2um pore. 90mm 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.

Product available on GSA Advantage®


Product Image-28140-040

Nylaflo* Membrane Disc Filter

Catalog Number: (28140-040)
Supplier: GE Healthcare - Whatman
Description: 0.2um 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.

Product available on GSA Advantage®


Product Image-28140-143

Nylaflo* Membrane Disc Filter

Catalog Number: (28140-143)
Supplier: GE Healthcare - Whatman
Description: 0.45um 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.

Product available on GSA Advantage®


Product Image-97015-514

SEPARATOR 10UM PP/PE 47MM DM PK100

Catalog Number: (97015-514)
Supplier: GE Healthcare - Whatman

Product available on GSA Advantage®


Product Image-28140-028

Nylaflo* Membrane Disc Filter

Catalog Number: (28140-028)
Supplier: GE Healthcare - Whatman
Description: 0.2um pore. 25mm 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.

Product available on GSA Advantage®


Product Image-28140-120

Nylaflo* Membrane Disc Filter

Catalog Number: (28140-120)
Supplier: GE Healthcare - Whatman
Description: 0.45um pore. 25mm 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.

Product available on GSA Advantage®


Product Image-97015-512

SEPARATOR 10UM PP/PE 25MM DM PK500

Catalog Number: (97015-512)
Supplier: GE Healthcare - Whatman

Product available on GSA Advantage®


Product Image-28140-108

Nylaflo* Membrane Disc Filter

Catalog Number: (28140-108)
Supplier: GE Healthcare - Whatman
Description: 0.45um pore. 13mm 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.

Product available on GSA Advantage®


Product Image-76308-704

Next generation universal wwPTFE membrane disc filter, 25mm 0.2um

Catalog Number: (76308-704)
Supplier: GE Healthcare - Whatman
Product Image-28139-700

Membrane Disc Filter, GLA-5000

Catalog Number: (28139-700)
Supplier: GE Healthcare - Whatman
Description: 5um pore size. 25mm diameter. PVC membrane resists acids and alkalis. Low ash content, moisture pick-up, and tare weight for gravimetric analysis of airborne particulates. Meets NIOSH and OSHA requirements. 100/pk.

Product available on GSA Advantage®


Product Image-76308-706

Next generation universal wwPTFE membrane disc filter, 47mm 0.2um

Catalog Number: (76308-706)
Supplier: GE Healthcare - Whatman
Product Image-28149-472

Metricel* Black Membrane Disc Filter

Catalog Number: (28149-472)
Supplier: GE Healthcare - Whatman
Description: 0.45um pore size. 47mm diameter. Sterile. Modified polyethersulfone. Dot grid pattern. For isolation, enumeration of yeast/mold from liquid (Membrane Filter Technique referenced in Standard Methods for Examination of Water and Wastewater). 200/pk.

Product available on GSA Advantage®


Product Image-76308-712

Next generation universal wwPTFE membrane disc filter, 47mm 0.45um

Catalog Number: (76308-712)
Supplier: GE Healthcare - Whatman
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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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The original product is no longer available. The replacement shown is available.
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