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Membrane Filters

Membrane filters are essential tools in scientific research and industrial processes, designed to selectively separate particles based on size through a semi-permeable barrier. These filters are commonly used in pharmaceutical manufacturing, water treatment, and laboratory research. Constructed from materials such as polysulfone, nylon, and polypropylene, membrane filters feature precise pore sizes that range from several micrometers to a few nanometers. This enables them to perform critical functions such as sterilization by removing microorganisms, and precise sample preparation. Their ability to efficiently block contaminants while allowing desired particles to pass through makes them invaluable for ensuring the purity and safety of various substances. With advancements in technology, the use of membrane filters is expanding, highlighting their significance in improving product safety and environmental health.
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Whatman 10400912 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME 27 Plain, 0.8 micrometer Pore Size, 100/pk (PN: 10400912)

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ME27 0.8uM 47MM 100/PKMixed cellulose ester membrane circles (ME 27), 0.8 µm, 47 mm are composed of cellulose acetate and cellulose nitrate. The ME...

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$166.09
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$62.86
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$62.86
$56.67
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$56.67

Whatman 10406970 ME24/21 ST 0.2uM 47MM 100/PK (PN:10406970)

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ME24/21 ST 0.2uM 47MM 100/PKMixed cellulose ester circles (ME 24), white/black grid 3.1 mm, sterile 0.2 µm, 47 mm

$62.86
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$56.67
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$56.67
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$194.17
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Whatman 10406972 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME Range - ME 24/21, Gridded, White/ Black Grid 3.1mm, 0.2 micrometer Pore Size, 100/pk (PN: 10406972)

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ME24/21 ST 0.2uM 50MM 100/PKMixed cellulose ester circles (ME 24), white/black grid 3.1 mm, sterile, 0.2 µm, 50 mm

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$172.22
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Whatman 10400806 Filter Circles, 25mm Dia, Mixed Cellulose Ester ME 28 Plain, 1.2 micrometer Pore Size, 100/pk (PN: 10400806)

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ME28 1.2uM 25MM 100/PKMixed cellulose ester membrane circles (ME 28), 1.2 µm, 25 mm are composed of cellulose acetate and cellulose nitrate. The M...

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$172.22
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$155.23
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$628.00
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Whatman 10408712 Membrane Filtration, ME24 (Mixed Cellulose Ester), 47mm Dia, 0.2 micrometer, White, 3.1mm/ Black Grid, Sterile For Use with Whatman Membrane-Butler, 400/pk (PN: 10408712)

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ME24/21 STL 0.2uM 47MM 400/PKMixed cellulose ester circles (ME24), circles white, 47 mm, mixed esters, 0.2 µm, 3.1 mm black grid, sterile, for Memb...

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$628.00
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$566.04
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$566.04
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$753.00
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$753.00
$678.71
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Whatman 10400821 Filter Circles, 100mm Dia, Mixed Cellulose Ester ME 28 Plain, 1.2 micrometer Pore Size, 50/pk (PN: 10400821)

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ME28 1.2uM 100MM 50/PKMixed cellulose ester membrane circles (ME 28), 1.2 µm, 100 mm are composed of cellulose acetate and cellulose nitrate. The M...

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$753.00
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$678.71
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$678.71
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$142.14
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$128.12

Whatman 10406870 ME25/21 (Mixed Cellulose Ester) ST Membrane Circle, white, 47 mm 0.45 µm, 3.1 mm black grid, sterile, 100/pk (PN: 10406870)

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ME25/21 ST 0.45uM 47MM 100/PKMixed cellulose ester membrane circles ME25/21 ST membrane circles white, 47 mm, mixed esters, 0.45 µm, 3.1 mm black g...

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$142.14
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$128.12
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$128.12
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$654.00
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$654.00
$589.48
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Whatman 10407324 Membrane Filtration, ME25 (Mixed Cellulose Ester), 50mm Dia, 0.45 micrometer, White, 5.1mm/ Black Grid, Sterile For Use with Whatman Membrane-Butler, 400/pk (PN: 10407324)

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ME25/20 STL 0.45uM 50MM 400/PKMixed Cellulose Ester - ME25 membrane circles white, 50 mm, mixed esters, 0.45 µm, 5 mm black grid, sterile, for Memb...

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$654.00
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$589.48
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$589.48
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$232.00
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Whatman 10400814 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME 28 Plain, 1.2 micrometer Pore Size, 100/pk (PN: 10400814)

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ME28 1.2uM 50MM 100/PKMixed cellulose ester membrane circles (ME 28), 1.2 µm, 50 mm are composed of cellulose acetate and cellulose nitrate. The ME...

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$232.00
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$232.00
$209.11
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$221.00
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Whatman 10400712 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME 29 Plain, 3.0 micrometer Pore Size, 100/pk (PN: 10400712)

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ME29 3.0uM 47MM 100/PKMixed cellulose ester circle membranes (ME 29), 3 µm, 47 mm are composed of cellulose acetate and cellulose nitrate. The ME r...

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$199.19
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$191.84
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$191.84
$172.92
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$172.92

Whatman 10401770 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME 24 Plain, 0.2 micrometer Pore Size, 100/pk (PN: 10401770)

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ME24 ST 0.2uM 47MM 100/PKMixed cellulose ester membrane circles (ME 24), sterile, 0.2 µm, 47 mm are composed of cellulose acetate and cellulose nit...

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$172.92
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$172.92
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$194.17
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Whatman 10401772 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME 24 Plain, Sterile, 0.2 micrometer Pore Size, 100/pk (PN: 10401772)

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ME24 ST 0.2uM 50MM 100/PKMixed cellulose ester membrane circles (ME 24), sterile, 0.2 µm, 50 mm are composed of cellulose acetate and cellulose nit...

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$632.00
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Whatman 10408714 Membrane Filtration, ME24 (Mixed Cellulose Ester), 50mm Dia, 0.2 micrometer, White, 3.1mm/ Black Grid, Sterile For Use with Whatman Membrane-Butler, 400/pk (PN: 10408714)

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ME24/21 STL 0.2uM 50MM 400/PKMixed cellulose ester circles (ME24), circles white, 50 mm, mixed esters, 0.2 µm, 3.1 mm black grid, sterile, for Memb...

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$569.65
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$569.65
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$142.14
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$128.12
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$128.12

Whatman 10401670 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME 25 Plain, 0.45 micrometer Pore Size, 100/pk (PN: 10401670)

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ME25 ST 0.45uM 47MM 100/PKMixed cellulose ester membrane circles (ME 25), sterile, 0.45 µm, 47 mm are composed of cellulose acetate and cellulose n...

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$142.14
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$128.12
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$128.12
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$192.72
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$173.71
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$173.71

Whatman 10409470 Membrane Filtration, ME25/41 (Mixed Cellulose Ester), 47mm Dia, 0.45 micrometer, Green, 3.1mm/ Black Grid, Single Sterile Packed, 100/pk (PN: 10409470)

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ME25/41 ST 0.45uM 47MM 100/PKMixed cellulose ester membrane circles ME25/41 ST membrane circles green, 47 mm, mixed esters, 0.45 µm, 3.1 mm black g...

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$192.72
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$192.72
$173.71
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$173.71
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$194.17
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$194.17
$175.00
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$175.00

Whatman 10406872 Membrane Filtration, ME25/21 (Mixed Cellulose Ester), 50mm Dia, 0.45 micrometer, White, 3.1mm/ Black Grid, Single Sterile Packed, 100/pk (PN: 10406872)

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ME25/21 ST 0.45uM 50MM 100/PKMixed cellulose ester membrane circles ME25/21 ST membrane circles white, 50 mm, mixed esters, 0.45 µm, 3.1 mm black g...

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$194.17
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$194.17
$175.00
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$175.00
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$623.00
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$623.00
$561.54
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$561.54

Whatman 10407312 Membrane Filtration, ME25/21 (Mixed Cellulose Ester), 47mm Dia, 0.45 micrometer, White, 3.1mm/ Black Grid, Sterile For Use with Whatman Membrane-Butler, 400/pk (PN: 10407312)

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ME25/21 STL 0.45uM 47MM 400/PKMixed cellulose ester membrane circles ME25/21 STL membrane circles white, 47 mm, mixed esters, 0.45 µm, 3.1 mm black...

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$623.00
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$561.54
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$561.54
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$638.00
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$638.00
$575.05
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$575.05

Whatman 10407314 Membrane Filtration, ME25/21 (Mixed Cellulose Ester), 50mm Dia, 0.45 micrometer, White, 3.1mm/ Black Grid, Sterile For Use with Whatman Membrane-Butler, 400/pk (PN: 10407314)

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ME25/21 STL 0.45uM 50MM 400/PKMixed cellulose ester membrane circlesME25/21 STL membrane circles white, 50 mm, mixed esters, 0.45 µm, 3.1 mm black ...

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$638.00
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$638.00
$575.05
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$575.05
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$632.00
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$632.00
$569.65
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$569.65

Whatman 10407332 Membrane Filtration, ME25/21 (Mixed Cellulose Ester), 47mm Dia, 0.45 micrometer, Black, 3.1mm/ White Grid, Sterile For Use with Whatman Membrane-Butler, 400/pk (PN: 10407332)

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ME25/31 STL 0.45uM 47MM 400/PKMixed cellulose ester membrane circles ME25/31 STL membrane circles black, 47 mm, mixed esters, 0.45 µm, 3.1 mm white...

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$632.00
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$632.00
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$190.87
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$190.87
$172.03
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$172.03

Whatman 10409770 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME Range - ME 25/31, Gridded, Black/ White Grid 3.1mm, 0.45 micrometer Pore Size, Sterile, 100/pk (PN: 10409770)

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In stock

ME25/31 ST 0.45uM 47MM 100/PKMixed cellulose ester membrane circles (ME 25), black/white grid 3.1 mm, sterile, 0.45 µm, 47 mm. The ME range has a l...

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$172.03
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$172.03
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$638.00
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$638.00
$575.05
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$575.05

Whatman 10407334 Membrane Filtration, ME25/31 (Mixed Cellulose Ester), 50mm Dia, 0.45 micrometer, Black, 3.1mm/ White Grid, Sterile For Use with Whatman Membrane-Butler, 400/pk (PN: 10407334)

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In stock

ME25/31 STL 0.45uM 50MM 400/PKMixed cellulose ester membrane circles ME25/31 STL membrane circles black, 50 mm, mixed esters, 0.45 µm, 3.1 mm white...

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$638.00
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$638.00
$575.05
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$575.05
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$194.17
$194.17 - $194.17
$194.17
$175.00
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$175.00

Whatman 10409772 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME Range - ME 25/31, Gridded, Black/ White Grid 3.1mm, 0.45 micrometer Pore Size, Sterile, 100/pk (PN: 10409772)

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In stock

ME25/31 ST 0.45uM 50MM 100/PKMixed cellulose ester membrane circles (ME 25), black/white grid 3.1 mm, sterile, 0.45 µm, 50 mm. The ME range has a l...

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$194.17
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$194.17
$175.00
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$175.00
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$735.00
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$735.00
$662.48
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$662.48

Whatman 10406871 Membrane Filtration, ME25/21 (Mixed Cellulose Ester), 47mm Dia, 0.45 micrometer, White, 3.1mm/ Black Grid, Single Sterile Packed, 1000/pk (PN: 10406871)

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ME25/21 ST 0.45uM 47MM 1000/PKMixed cellulose ester membrane circles ME25/21 ST membrane circles white, 47 mm, mixed esters, 0.45 µm, 3.1 mm black ...

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$735.00
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$735.00
$662.48
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$662.48
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$624.00
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$624.00
$562.43
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$562.43

Whatman 10407370 Membrane Filtration, ME25/41 (Mixed Cellulose Ester), 47mm Dia, 0.45 micrometer, Green, 3.1mm/ Black Grid, Sterile For Use with Whatman Membrane-Butler, 400/pk

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ME25/41 STL 0.45uM 47MM 400/PKMixed cellulose ester membrane circles ME25/41 STL membrane circles green, 47mm, mixed esters, 0.45 µm, 3.1 mm black ...

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$624.00
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$624.00
$562.43
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$562.43
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