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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 7193-002 Cellulose Nitrate, 25mm Dia, 3.0 micrometer Pore Size, Plain White, 100/pk (PN: 7193-002)

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WCN WH 25MM 3.0uM 100/PKCellulose Nitrate Membranes, circles, plain, 3.0 µm 25 mm 100/pk. Recommended for the majority of routine applications, thi...

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$212.00
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$191.08
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Whatman 10400206 Cellulose Nitrate, 25mm Dia, 5.0 micrometer Pore Size, Plain White, 100/pk (PN: 10400206)

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AE98 5uM 25MM 100/PKCellulose nitrate circles, plain, 5 µm, 25 mm Recommended for the majority of routine applications, this membrane is manufactur...

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$191.08
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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,

$206.00
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Whatman 10407714 MicroPlus-21, 50mm Dia, White, Black Grid, Single Sterile Packed, 100/pk (PN: 10407714)

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MP21 ST 0.45uM 50MM 100/PKMicroPlus-21 ST membrane circles white, 50 mm, cellulose nitrate, 0.45 µm, 3.1 mm black grid, sterile

$216.00
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$283.00
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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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$216.00
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Whatman 10407734 MicroPlus-31, 50mm Dia, Black, White Grid, Single Sterile Packed, 100/pk (PN: 10407734)

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MP31 ST 0.45uM 50MM 100/PKMicroPlus-31 ST membrane circles black, 50 mm, cellulose nitrate, 0.45 µm, 3.1 mm white grid, sterile

$216.00
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$152.85
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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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$126.01
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Whatman 10401706 Mixed Cellulose Ester Circle ME Range (ME 24), plain, 0.2 µm, 25 mm, 100/pk (PN: 10401706)

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ME24 0.2uM 25MM 100/PKMixed cellulose ester membrane circles (ME 24), 0.2 µm, 25 mm are composed of cellulose acetate and cellulose nitrate. The ME...

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$126.01
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$113.59
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$113.59
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$205.00
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Whatman 10401731 Filter Circles, 142mm Dia, Mixed Cellulose Ester ME 24 Plain, 0.2 micrometer Pore Size, 25/pk (PN: 10401731)

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In stock

ME24 0.2uM 142MM 25/PKMixed cellulose ester membrane circles (ME 24), 0.2 µm, 142 mm are composed of cellulose acetate and cellulose nitrate. The M...

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$205.00
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$184.77
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$184.77
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$175.98
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$175.98
$158.62
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Whatman 10401614 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME 25 Plain, 0.45 micrometer Pore Size, 100/pk (PN: 10401614)

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ME25 0.45uM 50MM 100/PKMixed cellulose ester membrane circles (ME 25), 0.45 µm, 50 mm are composed of cellulose acetate and cellulose nitrate. The ...

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$175.98
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$175.98
$158.62
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$158.62
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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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In stock

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
$155.69
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$175.98
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$158.62

Whatman 10401714 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME 24 Plain, 0.2 micrometer Pore Size, 100/pk (PN: 10401714)

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In stock

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

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$175.98
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$175.98
$158.62
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$158.62
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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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$155.69
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$175.98
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$175.98
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Whatman 10406814 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME Range - ME 25/21, Gridded, White/ Black Grid 3.1mm, 0.45 micrometer Pore Size, 100/pk (PN: 10406814)

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ME25/21 0.45uM 50MM 100/PK GRDMixed cellulose ester circles (ME 25), white/black grid 3.1 mm, 0.45 µm, 50 mm are composed of cellulose acetate and ...

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$175.98
$158.62
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$158.62
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$126.01
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$126.01
$113.59
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$113.59

Whatman 10401606 Filter Circles, 25mm Dia, Mixed Cellulose Ester ME 25 Plain, 0.45 micrometer Pore Size, 100/pk (PN: 10401606)

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In stock

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

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$126.01
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$126.01
$113.59
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$113.59
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$175.98
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$158.62
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$158.62

Whatman 10409714 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME Range - ME 25, Gridded, Black/ White Grid 3.1mm, 0.45 micrometer Pore Size, 100/pk (PN: 10409714)

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ME25/31 0.45uM 50MM 100/PKMixed cellulose ester membranecircles (ME 25), black/white grid 3.1 mm, 0.45 µm, 50 mm are composed of cellulose acetate ...

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$158.62
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$158.62
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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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$177.69
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$160.15
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$179.52
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$161.80
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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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In stock

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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$179.52
$161.80
$161.80 - $161.80
$161.80
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$205.00
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$184.77
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$184.77

Whatman 10401631 Filter Circles, 142mm Dia, Mixed Cellulose Ester ME 25 Plain, 0.45 micrometer Pore Size, 25/pk (PN: 10401631)

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In stock

ME25 0.45uM 142MM 25/PKMixed cellulose ester membrane circles (ME 25), 0.45 µm, 142 mm are composed of cellulose acetate and cellulose nitrate. The...

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$205.00
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$205.00
$184.77
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$184.77
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$183.18
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$183.18
$165.11
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$165.11

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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$183.18
$165.11
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$165.11
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$143.70
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$143.70
$129.52
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$129.52

Whatman 10400906 Filter Circles, 25mm Dia, Mixed Cellulose Ester ME 27 Plain, 0.8 micrometer Pore Size, 100/pk (PN: 10400906)

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In stock

ME27 0.8uM 25MM 100/PKMixed cellulose ester membrane circles (ME 27), 0.8 µm, 25 mm are composed of cellulose acetate and cellulose nitrate. The ME...

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$143.70
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$143.70
$129.52
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$129.52
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$172.73
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$172.73
$155.69
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$155.69

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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$172.73
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$155.69
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$252.00
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$252.00
$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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$252.00
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$252.00
$227.14
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$227.14
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$187.57
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$187.57
$169.06
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$169.06

Whatman 10400914 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME 27 Plain, 0.8 micrometer Pore Size, 100/pk (PN: 10400914)

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In stock

ME27 0.8uM 50MM 100/PKMixed cellulose ester membrane circles (ME 27), 0.8 µm, 50 mm are composed of cellulose acetate and cellulose nitrate. The ME...

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$187.57
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$187.57
$169.06
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$169.06
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