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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 10334547 Filter Circles, 185mm Dia, Folded Prepleated Grade 0860, 100/Pk

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0860 FF 185MM 100/PKQualitative Filter Papers - Folded Prepleated Grade 0860 1/2 folded filters, 185 mm, 100/pk. Comparable to Grade 0858 but with ...

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$281.00
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Whatman 10331554 Filter Circle, 385mm Dia, Folded Prepleated Grade 520B, 50/pk

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520B FF 385MM 50/PKQualitative Filter Papers - Folded Prepleated Grade 520 b 1/2 folded filters, 385 mm, 100/pk. Very fast, high wet strength, extr...

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$281.00
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$226.82
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$143.85
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$116.11
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Whatman 10331553 Filter Circles, 320mm Dia, Folded, Grade 520B, 50/pk

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520B FF 320MM 50/PKQualitative Filter Papers - Folded Prepleated Grade 520 b 1/2 folded filters, 320 mm, 100/pk. Very fast, high wet strength, extr...

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$143.85
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$116.11
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$94.52
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$85.20
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Whatman 10342860 Filter Circles, 180mm/33 ZL1, For Technical Use Grade 2294, 100/pk

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2294 180MM 100/PK CHOLE 33MMFilter Papers for Technical Use - Grade 2294 circles, 180 mm with central hole 33 mm, 100/pk. A very thick filter card ...

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$85.20
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Whatman 10342810 Filter Circles, 110mm Dia, For Technical Use Grade 2294, 100/pk

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2294 110MM 100/PKFilter Papers for Technical Use - Grade 2294 circles, 110 mm, 100/pk. A very thick filter card with high wet strength. Offers very...

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$56.17
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Whatman 10334347 Filter Circles, 185mm Dia, Folded Prepleated Grade 0858, 100/pk

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0858 FF 185MM 100/PKQualitative Filter Papers - Folded Prepleated Grade 0858 1/2 folded filters, 185 mm, 100/pk. A universal filter paper,grained, ...

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Whatman 10343976 Filter Sheets, 25 x 75mm, For Technical Use Grade 2589 d, 100/pk

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2589D 25x75MM 100/PK W2HOLESFilter Papers for Technical Use - Grade 2589 d sheets, with 2 holes, 25 x 75mm, 100/pk. A very thick filter with high w...

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$68.58
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Whatman 10334352 Filter Circles, 270mm Dia, Folded Prepleated Grade 0858, 100/Pk

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0858 FF 270MM 100/PKQualitative Filter Papers - Folded Prepleated Grade 0858 1/2 folded filters, 270 mm, 100/pk. A universal filter paper,grained, ...

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Whatman 10334365 Filter Paper, Grade 0858, Sheet, 110mm x 580mm, Wrapstrip, 500/pk

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0858 11x58CM 500/PK WRAPSTRIPQualitative Filter Papers - Folded Prepleated Grade 0858 wrapstrips, 11 x 58 cm, 500/pk. A universal filter paper,grai...

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$205.50
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$49.22
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Whatman 10347004 Filter Circles, 45mm Dia, 8 Ruled, 100/pk

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8 RULED 45MM 100/PKQualitative Filter Papers - 8 Ruled White paper with green lines at 5mm intervals, 45 mm, 100/Pk.

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Whatman 10334551 Filter Circles, 240mm Dia, Folded Prepleated Grade 0860, 100/Pk

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0860 FF 240MM 100/PKQualitative Filter Papers - Folded Prepleated Grade 0860 1/2 folded filters, 240 mm, 100/pk. Comparable to Grade 0858 but with ...

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$75.80
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$166.34
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Whatman 10334553 Filter Circles, 320mm Dia, Folded Prepleated Grade 0860, 100/Pk

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0860 FF 320MM 100/PKQualitative Filter Papers - Folded Prepleated Grade 0860 1/2 folded filters, 320 mm, 100/pk. Comparable to Grade 0858 but with ...

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$166.34
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$55.26
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$49.80
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Whatman 10340810 Filter Circles, 110mm Dia, Grade 0965, 100/pk

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In stock

0965 110MM 100/PKFilter Papers for Technical Use - Grade 0965 circles, 110 mm, 100/pk. Thickness 0.25mm, retain coase particles.

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Whatman 10347033 Filter Circles, 75mm Dia, Grade 8 Ruled, Qualitative, 100/pk

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In stock

8 RULED 75MM 100/PKQualitative Filter Papers - 8 Ruled White paper with green lines at 5mm intervals, 75 mm, 100/Pk.

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$91.35
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Whatman 10343876 Filter Sheets, 25 x 75mm, For Technical Use Grade 2589 c, 100/pk

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In stock

2589C 25x75MM 100/PK W2HOLESFilter Papers for Technical Use - Grade 2589 c sheets, with 2 holes, 25 x 75mm, 100/pk. Thick filter with medium to slo...

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Whatman 10347008 Filter Circles, 70mm Dia, 8 Ruled, 100/pk

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In stock

8 RULED 70MM 100/PKQualitative Filter Papers - 8 Ruled White paper with green lines at 5mm intervals, 70 mm, 100/Pk.

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Whatman 10347009 Filter Circles, 90mm Dia, 8 Ruled, 100/pk

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In stock

8 RULED 90MM 100/PKQualitative Filter Papers - 8 Ruled White paper with green lines at 5mm intervals, 90 mm, 100/Pk.

$49.22
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$49.22
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Whatman 10348903 Filter Circles, 32mm Dia, Application Specific Grade 0048, 1000/pk

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In stock

0048 32MM 1000/PKApplication Specific Filters - Grade 0048 circle,32mm,1000/pk;Filter mat made from a mixture of cellulose and polyester.This mat i...

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Whatman 10410219 Filter Circles, 100mm Dia, Regenerated Cellulose RC 55, 0.45 micrometer Pore Size, 25/pk

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In stock

RC55 0.45uM 100MM 25/PKRegenerated Cellulose Membranes (RC55), 0.45 µm, 100 mm are made of pure cellulose, without any wetting agents

$265.00
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$238.86
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Whatman 10410224 Filter Circles, 110mm Dia, Regenerated Cellulose RC 55, 0.45 micrometer Pore Size, 25/pk

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In stock

RC55 0.45uM 110MM 25/PKRegenerated Cellulose Membranes (RC55), 0.45 µm, 110 mm are made of pure cellulose, without any wetting agents

$306.00
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$275.81
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$316.00
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$284.83
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Whatman 10408970 Filter Circles, 47mm Dia, Mixed Cellulose Ester ME Range - ME 27/21, Gridded, White/ Black Grid 3.1mm, 0.8 micrometer Pore Size, Sterile, 100/pk

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ME27/21 ST 0.8uM 47MM 100/PKMixed cellulose ester circles (ME 27) white/black grid 3.1mm, sterile, 0.8 µm, 47 mm

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$316.00
$284.83
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$284.83
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$256.00
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$256.00
$230.75
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$230.75

Whatman 10410206 Filter Circles, 25mm Dia, Regenerated Cellulose RC 55, 0.45 micrometer Pore Size, 100/pk

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In stock

RC55 0.45uM 25MM 100/PKRegenerated Cellulose Membranes (RC55), 0.45 µm, 25 mm are made of pure cellulose, without any wetting agents

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$256.00
$230.75
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$230.75
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$280.32

Whatman 10411205 Membrane, TE Range TE 37, 25mm Dia, 1.0 micrometer Pore Size, 50/pk

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In stock

TE37 1uM 25MM 50/PKPTFE membrane circles, (TE 37), 1 µm, 25 mm. PTFE membranes are particularly suitable for preparing samples for HPLC analysis

$311.00
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$280.32
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$280.32
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$265.00
$238.86
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$238.86

Whatman 10410319 Filter Circles, 100mm Dia, Regenerated Cellulose RC 58, 0.2 micrometer Pore Size, 25/pk

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In stock

RC58 0.2uM 100MM 25/PKRegenerated Cellulose Membranes (RC58), 0.2 µm, 100 mm are made of pure cellulose, without any wetting agents

$265.00
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$265.00
$238.86
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$238.86
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