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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 10409472 Membrane Filtration, ME25/41 (Mixed Cellulose Ester), 50mm Dia, 0.45 micrometer, Green, 3.1mm/ Black Grid, Single Sterile Packed, 100/pk (PN: 10409472)

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ME25/41 ST 0.45uM 50MM 100/PKMixed cellulose ester membrane circlesME25/41 ST membrane circles green, 50 mm, mixed esters, 0.45 µm, 3.1 mm black gr...

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$196.05
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$644.00
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Whatman 10407372 Membrane Filtration, ME25/41 (Mixed Cellulose Ester), 50mm Dia, 0.45 micrometer, Green, 3.1mm/ Black Grid, Sterile For Use with Whatman Membrane-Butler, 400/pk (PN: 10407372)

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ME25/41 STL 0.45uM 50MM 400/PKMixed cellulose ester membrane circles ME25/41 STL membrane circles green, 50 mm, mixed esters, 0.45 µm, 3.1 mm black...

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$644.00
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Whatman 10401672 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME 25 Plain, 0.45 micrometer Pore Size, 100/pk (PN: 10401672)

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

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Whatman 10407970 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME Range - ME 25/51, Gridded, White/ Black Grid 3.1mm, 0.45m Pore Size, 100/pk (PN: 10407970)

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ME25/51 ST 0.45uM 47MM 100/PKMixed cellulose ester membrane circles (ME 25), white/black grid 3.1 mm, sterile, 0.45 µm, 47 mm. The ME range has a l...

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Whatman 7141-114 Mixed Cellulose Ester Circle WME Range, 0.45 µm pore size, sterile, individually packed, white, gridded, without pad, 47 mm, 100/pk (PN: 7141-114)

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WME WHGRSTNPD 47MM 0.45 100/PKMixed cellulose ester circles (WME), white/black grid 3.1 mm, sterile, without pad, 0.45 µm, 47 mm, 100/pk. Composed ...

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Whatman 10406572 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME Range - ME 25/20, Gridded, White/ Black Grid 5mm, 0.45 micrometer Pore Size, Sterile, 100/pk (PN: 10406572)

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ME25/20 ST 0.45uM 50MM 100/PKMixed cellulose ester circles (ME 25), white/black grid 5 mm, sterile, 0.45 µm, 50 mm are composed of cellulose acetat...

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Whatman 7153-104 Filter Circles, 47mm Dia, Cellulose Nitrate, 0.45 micrometer Pore Size, Black Gridded, Sterile, 100/pk (PN: 7153-104)

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WME BL GRST 47MM 0.45UM 100/PKMixed cellulose ester circles (WME), black/white grid 3.1 mm, sterile, 0.45 µm, 47 mm, 100/pk. Composed of cellulose ...

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$201.00
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Whatman 7140-104 Filter Circles, 47mm Dia, Mixed Cellulose Ester WME Plain, Sterile, 0.45 micrometer Pore Size, 100/pk (PN: 7140-104)

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WME WH ST 47MM 0.45uM 100/PKMixed cellulose ester circles (WME), 0.45 µm, 47 mm, 100/pk. Composed of cellulose acetate and cellulose nitrate. The ...

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Whatman 10409834 Membrane Filtration, ME26/31 (Mixed Cellulose Ester), 50mm Dia, 0.6 micrometer, 3.1mm/ White Grid, Sterile For Use with Whatman Membrane-Butler, 400/pk (PN: 10409834)

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ME26/31 STL 0.6uM 50MM 400/PKMixed cellulose ester membrane circles (ME 25 Select), sterile, leporello, folded format, 50MM, 0.6um, 400/pk is a Hy...

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$630.94
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$267.00
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Whatman 10409970 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME 27/61, 0.8 micrometer Pore Size, Sterile, 100/pk (PN: 10409970)

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ME27/61 ST 0.8uM 47MM 100/PKMixed cellulose ester circles (ME 27), white/black grid 3.1 mm with pad, sterile, 0.8 µm, 47 mm

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$165.04
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Whatman 7141-204 Filter Circles, 47mm Dia, Mixed Cellulose Ester WME White/ Black Grid 3.1mm, Autocalve Pack, Sterile, 0.45 micrometer Pore Size, 100/pk (PN: 7141-204)

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WME WHGRSTAUTO 47MM 0.45 100/PMixed cellulose ester circles (WME), white/black grid 3.1 mm, autoclave pack, sterile, 0.45 µm, 47 mm, 100/pk. Compos...

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Whatman 10408472 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME Range - ME 28/41, Gridded, Green/ Black Grid 3.1mm, 1.2 micrometer Pore Size, Sterile, 100/pk (PN: 10408472)

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ME28/41 ST 1.2uM 50MM 100/PKMixed cellulose ester circles (ME 28) white/black grid 3.1mm, sterile, 1.2 µm, 50 mm

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$131.63
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$118.64
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Whatman 7141-104 Mixed Cellulose Ester Circle WME Range, 0.45 µm pore size, sterile, individually packed, white, gridded, with pad, 47 mm, 100/pk (PN: 7141-104)

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In stock

WME WHGR ST 47MM 0.45uM 100/PKMixed cellulose ester circles (WME), white/black grid 3.1 mm, sterile, 0.45 µm, 47 mm, 100/pk. Composed of cellulose ...

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$118.64
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Whatman 10400772 Filter Circles, 50mm Dia, Mixed Cellulose Ester ME 29 Plain, 3.0 micrometer Pore Size, 100/pk (PN: 10400772)

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ME29 ST 3.0uM 50MM 100/PKMixed cellulose ester circles membranes (ME 29), sterile, 3 µm, 50 mm are composed of cellulose acetate and cellulose nitr...

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$258.00
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Whatman 7141-124 Filter Circles, 47mm Dia, Mixed Cellulose Ester WME White/ Black Grid 3.1mm, Sterile, 0.45 micrometer Pore Size, 200/pk (PN: 7141-124)

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In stock

WME WHGR ST 47MM 0.45uM 200/PKMixed cellulose ester circles (WME), white/black grid 3.1 mm, sterile, 0.45 µm, 47 mm , 200/pk. Composed of cellulose...

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$720.00
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$648.96
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Whatman 7141-154 Filter Circles, 47mm Dia, Mixed Cellulose Ester WME White/ Black Grid 3.1mm without Pad, Sterile, 0.45 micrometer Pore Size, 1000/pk (PN: 7141-154)

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In stock

WME WHGRST 47MM 0.45uM 1000/PKMixed cellulose ester circles (WME), white/black grid 3.1 mm, sterile, without pad, 0.45 µm, 47 mm, 1000/pk. Composed...

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Whatman 1001-734 Filter Sheets, Quantitative, 47cm x 100mm, Grade 1, 1/pk (3 pk minimum)

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GR 1 47CMx100M 1/PKQualitative Filter Papers - Standard Grades Grade 1 sheets, 47 cm x 100 m, 100/pk, The most widely used filter paper for routine...

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$169.87
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$153.10
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Whatman 10301645 Filter Circles, 150mm Dia, Folded, Grade 0790 1/2, 100/pk

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0790 FF 150MM 100/PKApplication Specific Filters - Grade 0790 1/2 folded filters, 150 mm 100/pk. Acid-washed paper with ash content of approximatel...

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$169.87
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$153.10
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$64.62
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Whatman 10300010 Filter Circles, 110mm Dia, Ashless Grade 589/1, 100/pk (PN:10300010)

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589/1 BLKRIB 110MM 100/PKQuantitative Filter Papers - Black Ribbon Ashless Grade 589/1 circles, 110 mm, 100/pk. Filter paper with very high flow ra...

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$68.99
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Whatman 10310645 Filter Circles, 150mm Dia, Folded, Grade 512 1/2, 100/pk

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512 FF 150MM 100/PKApplication Specific Filters - Grade 512 1/2 folded filters, 150 mm 100/pk. Low phosphate papers approximately 1.5 ppm phosphat...

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$76.53
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$68.99
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Whatman 10301647 Filter Circles, 185mm Dia, Folded, Grade 0790 1/2, 100/pk

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In stock

0790 FF 185MM 100/PKApplication Specific Filters - Grade 0790 1/2 folded filters, 185 mm 100/pk. Acid-washed paper with ash content of approximatel...

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$262.00
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$89.76
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$80.91
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Whatman 10310643 Filter Circles, 110mm Dia, Folded, Grade 512 1/2, 100/pk

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512 FF 110MM 100/PKApplication Specific Filters - Grade 512 1/2 folded filters, 110 mm 100/pk. Low phosphate papers approximately 1.5 ppm phosphat...

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$89.76
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$89.76
$80.91
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$112.17
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$101.09
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$101.09

Whatman 10310647 Filter Circles, 185mm Dia, Folded, Grade 512 1/2, 100/pk

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In stock

512 FF 185MM 100/PKApplication Specific Filters - Grade 512 1/2 folded filters, 185 mm 100/pk. Low phosphate papers approximately 1.5 ppm phosphat...

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$112.17
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$112.17
$101.09
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$63.58
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$63.58
$57.31
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Whatman 10313947 Filter Circles, 185mm Dia, Folded Prepleated Grade 2555

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In stock

2555 FF 185MM 100/PKQualitative Filter Papers - Folded Prepleated Grade 2555 1/2 folded filters, 185 mm, 100/pk. A medium fast filter paper used fo...

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$63.58
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$57.31
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$57.31
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