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Membrane Filters

Membrane filters are surface filters used to remove particulate or collect microorganism for analysis from solutions, on and near the surface of the filter matrix by mechanical means. Our wide range of membrane materials (PTFE, regenerated cellulose, nylon, cellulose nitrate, polycarbonate, aluminum oxide, etc.) provides the user with an array of solvent compatibility options, porosities and pore sizes according to individual specific needs. Some membrane materials are also available sterile.

Membrane filters are typically used in both liquid and air filtration. They offer accurately controlled pore size distribution with high strength and flexibility and are suitable  for a wide range of applications such as basic research, environmental testing and pharmaceutical, as well as food and beverage industries. We offer membrane filters by  industry leaders such as Sartorius and Whatman.

In the second info box you will find more information about the application areas and the chemical resistance of the individual polymers.

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Items 1-50 of 1524

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Product Image of Filter Disc, DISC, wwPTFE, 0,45 µm, 47 mm, 50 pc/PAK
Filter Disc, DISC, wwPTFE, 0,45 µm, 47 mm, 50 pc/PAK
Item number: WT186009316
Brand: Waters
$300.00
Product Image of Membrane Filter, round, Nuclepore, PC, 47 mm, 0.6 µm, 100 pc/PAK
Membrane Filter, round, Nuclepore, PC, 47 mm, 0.6 µm, 100 pc/PAK
Item number: WH10417212
Brand: Whatman

In stock

$193.41
Product Image of Membrane filter, round, Ultipor Nylon, PA, 47 mm, 5,00 µm, 100/pac
Membrane filter, round, Ultipor Nylon, PA, 47 mm, 5,00 µm, 100/pac
Item number: PANCG047100
Brand: Pall Corporation
$259.20
Product Image of Membrane filter, round, AcroVent, PVDF, 50 mm, 0,20 µm, vent valve
Membrane filter, round, AcroVent, PVDF, 50 mm, 0,20 µm, vent valve
Item number: PAA50V002P2
Brand: Pall Corporation
$93.12
Product Image of Membrane filter, round, Metricel, PES, 25 mm, 0,80 µm, black, 200/pac
Membrane filter, round, Metricel, PES, 25 mm, 0,80 µm, black, 200/pac
Item number: PA66587
Brand: Pall Corporation
$327.60
Product Image of Acropak 20, Membrane: Fluorodyne II, Effective Filtration Area: 20 cm², pore size: 0,2 µm, 3/PAK, Membrane, steril
Acropak 20, Membrane: Fluorodyne II, Effective Filtration Area: 20 cm², pore size: 0,2 µm, 3/PAK, Membrane, steril
Item number: PA12201
Brand: Pall Corporation
$193.20
Product Image of Membrane filter, round, WCN, CN, 47 mm, 5,00 µm, 100/pk
Membrane filter, round, WCN, CN, 47 mm, 5,00 µm, 100/pk
Item number: WH7195-004
Brand: Whatman

In stock

$253.00
Product Image of Membrane filter, round, Cyclopore PC, 47 mm, 3,00 µm, 100/pk
Membrane filter, round, Cyclopore PC, 47 mm, 3,00 µm, 100/pk
Item number: WH7060-4712
Brand: Whatman

In stock

$206.00
Product Image of Membrane filter, round, Cyclopore PC, 25 mm, 2,00 µm, 100/pk
Membrane filter, round, Cyclopore PC, 25 mm, 2,00 µm, 100/pk
Item number: WH7060-2511
Brand: Whatman

In stock

$136.87
Product Image of Membrane filter, round, Anodisc, AL2O3, 25 mm, 0,20 µm, with Supp., 50/pk
Membrane filter, round, Anodisc, AL2O3, 25 mm, 0,20 µm, with Supp., 50/pk
Item number: WH6809-6022
Brand: Whatman
$816.00
Product Image of Capsule Filter, Polycap TF 36, 0.2µ
Capsule Filter, Polycap TF 36, 0.2µ
Item number: WH6710-3602
Brand: Whatman

In stock

$119.63
Product Image of Membrane filter, round, ME24, MCE, 25 mm, 0,20 µm, 100/pk
Membrane filter, round, ME24, MCE, 25 mm, 0,20 µm, 100/pk
Item number: WH10401706
Brand: Whatman

In stock

$128.80
Product Image of Membrane filter, round, ME26, ME, 25 mm, 0,60 µm, 100/pk
Membrane filter, round, ME26, ME, 25 mm, 0,60 µm, 100/pk
Item number: WH10401506
Brand: Whatman

In stock

$111.01
Product Image of Filter SUPOR (PES) 47 mm, 0.2 100/PK
Filter SUPOR (PES) 47 mm, 0.2 100/PK
Item number: WTWAT200539
Brand: Waters
$188.00
Product Image of Filter SUPOR (PES) 47 mm, 0.45 100/PK
Filter SUPOR (PES) 47 mm, 0.45 100/PK
Item number: WTWAT200538
Brand: Waters
$188.00
Product Image of Filter PTFE 47 mm, 0.2 100/PK
Filter PTFE 47 mm, 0.2 100/PK
Item number: WTWAT200535
Brand: Waters
$524.00
Product Image of Filter PTFE 47 mm, 0.45 100/PK
Filter PTFE 47 mm, 0.45 100/PK
Item number: WTWAT200534
Brand: Waters
$524.00
Product Image of Filter NYLON 47 mm, 0.2 100/PK
Filter NYLON 47 mm, 0.2 100/PK
Item number: WTWAT200533
Brand: Waters
$198.00
Product Image of Filter NYLON 47 mm, 0.45 100/PK
Filter NYLON 47 mm, 0.45 100/PK
Item number: WTWAT200532
Brand: Waters
$197.00
Product Image of Membrane Filter, RC, round, non-sterile, 47 mm, 0.2µm, white without grid, 100 pc/PAK
Membrane Filter, RC, round, non-sterile, 47 mm, 0.2µm, white without grid, 100 pc/PAK
Item number: ST18407-47-N
Brand: Sartorius
$301.20
Product Image of Gelatine Filter, disposables, 80 mm, single sterile packed, 10 pc/PAK
Gelatine Filter, disposables, 80 mm, single sterile packed, 10 pc/PAK
Item number: ST17528-80-ACD
Brand: Sartorius
$205.36
Product Image of Biosart 100 Monitore,100 ml, Membrane CN High Flow, black-white, 0.45µm, 48 pc/PAK
Biosart 100 Monitore,100 ml, Membrane CN High Flow, black-white, 0.45µm, 48 pc/PAK
Item number: ST16401-47-H6-V-K
Brand: Sartorius
$172.80
Product Image of Biosart 100 Monitore,100 ml, Membrane CN, black-white, sterile, 0.45µm, 48 pc/PAK
Biosart 100 Monitore,100 ml, Membrane CN, black-white, sterile, 0.45µm, 48 pc/PAK
Item number: ST16401-47-06-V-K
Brand: Sartorius
$172.80
Product Image of Glass fiber pre Filter, 20mm, white, 200 pc/PAK
Glass fiber pre Filter, 20mm, white, 200 pc/PAK
Item number: ST13400-20-S
Brand: Sartorius

In stock

$115.26 $135.60
Product Image of Membrane Filter, CN, 47 mm, 0.45µm, gray-white, non-sterile 100 pc/PAK
Membrane Filter, CN, 47 mm, 0.45µm, gray-white, non-sterile 100 pc/PAK
Item number: ST13006-47-N
Brand: Sartorius
$150.00
Product Image of Hydrophobe Membrane Filter, PTFE, 13 mm, 0.2µm, 100 pc/PAK
Hydrophobe Membrane Filter, PTFE, 13 mm, 0.2µm, 100 pc/PAK
Item number: ST11807-13-N
Brand: Sartorius
$400.80
Product Image of Hydrophobe Membrane Filter, PTFE, 47 mm, 0.45µm, 100 pc/PAK
Hydrophobe Membrane Filter, PTFE, 47 mm, 0.45µm, 100 pc/PAK
Item number: ST11806-47-N
Brand: Sartorius
$594.00
Product Image of Membrane Filter, CN, 50 mm, 0.45µm, 100 pc/PAK
Membrane Filter, CN, 50 mm, 0.45µm, 100 pc/PAK
Item number: ST11306-50-N
Brand: Sartorius

In stock

$131.58 $154.80
Product Image of Membrane Filter, CN, 47 mm, 0.45µm, 100 pc/PAK
Membrane Filter, CN, 47 mm, 0.45µm, 100 pc/PAK
Item number: ST11306-47-N
Brand: Sartorius

In stock

$131.58 $154.80
Product Image of Membrane Filter, CA, 47 mm, 0.2µm, 100 pc/PAK
Membrane Filter, CA, 47 mm, 0.2µm, 100 pc/PAK
Item number: ST11107-47-N
Brand: Sartorius

In stock

$148.92 $175.20
Product Image of Membrane Filter, CA, 47 mm, 0.45µm, 100 pc/PAK
Membrane Filter, CA, 47 mm, 0.45µm, 100 pc/PAK
Item number: ST11106-47-N
Brand: Sartorius

In stock

$148.92 $175.20
Product Image of EZ-Pak & Microfil 100mL, 0.45µm 47mm white gridded membrane, 150/pk
EZ-Pak & Microfil 100mL, 0.45µm 47mm white gridded membrane, 150/pk
Item number: MPMZHAWG101
Brand: Millipore

In stock

$533.33
Product Image of EZ-Pak Filters 0.45µm 47mm white gridded, 600/pk
EZ-Pak Filters 0.45µm 47mm white gridded, 600/pk
Item number: MPEZHAWG474
Brand: Millipore

In stock

$734.67
Product Image of Membrane filter, round, MF-Millipore, MCE, 47 mm, 5,00 µm, 100/pac
Membrane filter, round, MF-Millipore, MCE, 47 mm, 5,00 µm, 100/pac
Item number: MPSMWP04700
Brand: Millipore

In stock

$277.05
Product Image of Membrane filter, round, Durapore, PVDF, 47 mm, 0,45 µm, 100/pac
Membrane filter, round, Durapore, PVDF, 47 mm, 0,45 µm, 100/pac
Item number: MPHVLP04700
Brand: Millipore

In stock

$279.55
Product Image of Membrane Filter, round Durapore, hydrophile PVDF, 47 mm, 0,22 µm, 100/Pak
Membrane Filter, round Durapore, hydrophile PVDF, 47 mm, 0,22 µm, 100/Pak
Item number: MPGVWP04700
Brand: Millipore

In stock

$279.55
Product Image of Membrane Filter, CN, 37 mm, 0.8µm, 100 pc/PAK
Membrane Filter, CN, 37 mm, 0.8µm, 100 pc/PAK
Item number: ST11301-37-N
Brand: Sartorius

In stock

$139.40 $164.00
Product Image of Nalgene ™ filter membranes Cardboard box, of 0.2 µm cellulose acetate, 100pc/PAK
Nalgene ™ filter membranes Cardboard box, of 0.2 µm cellulose acetate, 100pc/PAK
Item number: NLDS02104020
Brand: Nalgene Thermo Scientific
$288.00
Product Image of Membrane filter, round, Nuclepore, PC, 47 mm, 10.0 µm, 100/pk, replace for 111115
Membrane filter, round, Nuclepore, PC, 47 mm, 10.0 µm, 100/pk, replace for 111115
Item number: WH10418412
Brand: Whatman

In stock

$198.24
Product Image of Membrane filter, sheet, Nuclepore, PC, 25 x 80 mm, 5.00 µm, 100/Pak
Membrane filter, sheet, Nuclepore, PC, 25 x 80 mm, 5.00 µm, 100/Pak
Item number: WH10417450
Brand: Whatman

In stock

$177.69
Product Image of Filter plates AcroPrep Advance 2 ml, wwPTFE membrane 0.2 µm, 5 pc/pak
Filter plates AcroPrep Advance 2 ml, wwPTFE membrane 0.2 µm, 5 pc/pak
Item number: PA8782
Brand: Pall Corporation
$230.40
Product Image of Membrane Filter, round, Nuclepore, PC, 293 mm, 0.2 µm, 100 pc/PAK
Membrane Filter, round, Nuclepore, PC, 293 mm, 0.2 µm, 100 pc/PAK
Item number: WH10417039
Brand: Whatman
$1,839.60
Product Image of Membranefilters OMEGA 100 kD, 43mm, 12 pc/PAK
Membranefilters OMEGA 100 kD, 43mm, 12 pc/PAK
Item number: PAOM100043
Brand: Pall Corporation
$370.80
Product Image of Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,45 µm, 500 pc/PAK
Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,45 µm, 500 pc/PAK
Item number: PAODM45C35
Brand: Pall Corporation
$2,340.00
Product Image of Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,45 µm, 100 pc/PAK
Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,45 µm, 100 pc/PAK
Item number: PAODM45C34
Brand: Pall Corporation
$573.60
Product Image of Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,45 µm, 24 pc/PAK
Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,45 µm, 24 pc/PAK
Item number: PAODM45C33
Brand: Pall Corporation
$152.70
Product Image of Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,2 µm, 500 pc/PAK
Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,2 µm, 500 pc/PAK
Item number: PAODM02C35
Brand: Pall Corporation
$2,340.00
Product Image of Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,2 µm, 100 pc/PAK
Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,2 µm, 100 pc/PAK
Item number: PAODM02C34
Brand: Pall Corporation
$573.60
Product Image of Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,2 µm, 24 pc/PAK
Micro Ultrafiltration Unit, Nanosep MF Bio-Inert-Membrane, 0,2 µm, 24 pc/PAK
Item number: PAODM02C33
Brand: Pall Corporation
$152.70
Product Image of Ultrafiltration Unit, Nanosep, orange, Omega-Membrane, 300 kD, 500 pc/PAK
Ultrafiltration Unit, Nanosep, orange, Omega-Membrane, 300 kD, 500 pc/PAK
Item number: PAOD300C35
Brand: Pall Corporation
$1,978.80

Items 1-50 of 1524

Membrane filter of differnet materials have specific properties. Therefore, the choice of the correct filter depends greatly on the chemicals used. 
The following table gives an overview of application areas and chemical resistence of each polymer. 

Celluloseacetate (CA)

Low protein-binding, well suited for sterile filtration and clear filtration of aqueous solutions, nutrient media, buffers and sera. They provide superior chemical resistance to alcohol and oil. These hydrophilic membranes offer excellent flow rates as well as thermal stability up to 180° C max.

Cellulosenitrate (CN)

Cellulose nitrate membranes set the standard in both analytical and microbiological filtration. Cellulose nitrate is available in a range of pore sizes and is well suited for microbial analysis in water, food and beverage applications. Available in dispenser strips or individually sealed.

Polyamide (PA)

Membranes are hydrophilic and are widely used in both aqueous and organic solvent filtration applications. Well suited for sterilization and clear filtration of buffers and nutrient media with a low level of extractables.

Polycarbonate (PC)

PC membranes have uniform, smooth, round pores that pass straight through the membrane creating a precise capillary structure. The smooth, flat surface of the PC membrane offers high visibility of captured particles.
Polytetrafluorethylen (PTFE)

Permanently hydrophobic filter material, very suitable for air and gas filtration. PTFE membranes are extremely resistant to aggressive solvents and acids and can be used to filter particulate from both liquid and gas samples.

Regenerated Cellulose (RC)

Regenerated cellulose membranes are resistant to solvents and are hydrophilic. 0.45 μm pore size is typically used for HPLC sample preparation.

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