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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 7190-004 Cellulose Nitrate, 47mm Dia, 1.0 micrometer Pore Size, Plain White, 100/pk (PN: 7190-004)

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WCN WH 47MM 1.0uM 100/PKCellulose Nitrate Membranes, circles, plain, 1.0 µm 47 mm 100/pk. Recommended for the majority of routine applications, thi...

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$259.58
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$283.00
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Whatman 7193-004 Cellulose Nitrate, 47mm Dia, 3.0 micrometer Pore Size, Plain White, 100/pk (PN: 7193-004)

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WCN WH 47MM 3.0uM 100/PKCellulose Nitrate Membranes, circles, plain, 3.0 µm 47 mm 100/pk. Recommended for the majority of routine applications, thi...

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$283.00
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$255.08
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$206.00
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$185.68
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Whatman 10407713 MicroPlus-21, 47mm Dia, White, Black Grid, Single Sterile Packed, 100/pk (PN: 10407713)

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MP21 ST 0.45uM 47MM 100/PKMicroPlus-21 ST membrane circles white, 47 mm, cellulose nitrate, 0.45 µm, 3.1 mm black grid, sterile,

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$283.00
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$255.08
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Whatman 10400112 Cellulose Nitrate, 47mm Dia, 8.0 micrometer Pore Size, Plain White, 100/pk (PN: 10400112)

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AE99 8uM 47MM 100/PKCellulose nitrate circles, plain, 8 µm, 47 mm Recommended for the majority of routine applications, this membrane is manufactur...

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$283.00
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$255.08
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$688.00
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Whatman 10407132 MicroPlus-31, 47mm Dia, Black, White Grid, Sterile For Use with Whatman Membrane-Butler, 100/pk, 4 pk/bx (PN: 10407132)

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MP31 STL 0.45uM 47MM 400/PKMicroPlus-31 STL membrane circles black, 47 mm, cellulose nitrate, 0.45 µm, 3.1 mm white grid, sterile, for Membrane-Butler

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$152.85
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$137.77
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Whatman 7187-114 Filter Circles, 47mm Dia, Cellulose Nitrate, 0.2 micrometer Pore Size, Plain White, 100/pk (PN: 7187-114)

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WME WHGRSTNPAD 47MM 0.2 100/PKMixed cellulose ester circles (WME), white/black grid 3.1 mm, 0.2 µm, 47 mm, 100/pk. Composed of cellulose acetate an...

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$137.77
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$688.00
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$620.12
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Whatman 10407170 MicroPlus-41, 47mm Dia, Green, Black Grid, Sterile For Use with Whatman Membrane-Butler, 100/pk, 4 pk/bx (PN: 10407170)

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MP41 STL 0.45uM 47MM 400/PKMicroPlus-41 STL membrane circles green, 47 mm, cellulose nitrate, 0.45 µm, 3.1 mm black grid, sterile, for Membrane-Butler

$688.00
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$172.73
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Whatman 10401712 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME 24 Plain, 0.2 micrometer Pore Size, 100/pk (PN: 10401712)

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

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$172.73
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$172.73
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Whatman 10406812 MCE Circle ME Range (ME 25), White/Black Grid 3.1mm, 0.45um, 47mm, 100/pk (PN: 10406812)

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ME25/21 0.45uM 47MM 100/PK GRDMixed cellulose ester circles (ME 25), white/black grid 3.1 mm, 0.45 µm, 47 mm are composed of cellulose acetate and ...

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$172.73
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$177.69
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$160.15
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Whatman 10409414 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME Range - ME 25/41, Gridded, Green/ Black Grid 3.1mm, 0.45 micrometer Pore Size, 100/pk (PN: 10409414)

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ME25/41 0.45uM 50MM 100/PKMixed cellulose ester membrane circles (ME 25), green/black grid 3.1 mm, 0.45 µm, 47 mm. The ME range has a lower cellulo...

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$179.52
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Whatman 10401612 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME 25 Plain, 0.45 micrometer Pore Size, 100/pk (PN: 10401612)

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

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$179.52
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$161.80
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$183.18
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Whatman 10401512 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME 26 Plain, 0.6 micrometer Pore Size, 100/pk (PN: 10401512)

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ME26 0.6uM 47MM 100/PKMixed cellulose ester membrane circles (ME 26), 0.6 µm, 47 mm are composed of cellulose acetate and cellulose nitrate. The ME...

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$183.18
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$172.73
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Whatman 10406512 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME Range - ME 25/20, Gridded, White/ Black Grid 5mm, 0.45 micrometer Pore Size, 100/pk (PN: 10406512)

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ME25/20 0.45uM 47MM 100/PKMixed cellulose ester circles (ME 25), white/black grid 5 mm, 0.45 µm, 47 mm are composed of cellulose acetate and cellul...

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$172.73
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$252.00
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$227.14
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Whatman 7141-004 Filter Circles, 47mm Dia, Mixed Cellulose Ester WME White/ Black Grid 3.1mm, 0.45 micrometer Pore Size, 100/pk (PN: 7141-004)

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WME WH GR 47MM 0.45uM 100/PKMixed cellulose ester circles (WME), white/black grid 3.1 mm, 0.45 µm, 47 mm, 100/pk. Composed of cellulose acetate and...

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$227.14
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$221.00
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Whatman 10400812 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME 28 Plain, 1.2 micrometer Pore Size, 100/pk (PN: 10400812)

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ME28 1.2uM 47MM 100/PKMixed cellulose ester membrane circles (ME 28), 1.2 µm, 47 mm are composed of cellulose acetate and cellulose nitrate. The ME...

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$221.00
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$199.19
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$184.27
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$166.09
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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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$184.27
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$166.09
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$62.86
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$56.67
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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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$628.00
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$566.04
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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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$142.14
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$142.14
$128.12
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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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$142.14
$128.12
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$128.12
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$221.00
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$221.00
$199.19
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$199.19

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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$221.00
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$221.00
$199.19
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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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In stock

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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$191.84
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$191.84
$172.92
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$172.92
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$142.14
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$142.14
$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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$142.14
$128.12
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$128.12
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$192.72
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$192.72
$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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$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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$623.00
$561.54
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$561.54
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