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 Merck Millipore, Pall, Sartorius & Whatman.

The most common materials are as follows:

Material: CA, CN, MCE, PA, PES, PTFE, PVDF, RC

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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Product Image of Membrane filter, round, Nuclepore, PC, 25 mm, 0,80 µm, 100/pk
Membrane filter, round, Nuclepore, PC, 25 mm, 0,80 µm, 100/pk
Item number: WH110609
Brand: Whatman

In stock

€85.45 €88.09
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

In stock

€160.00
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

€147.44 €152.00
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

€123.75 €127.58
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

In stock

€182.40 €192.00
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
€1,487.01 €1,533.00
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
€293.55 €309.00
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
€1,852.50 €1,950.00
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
€454.10 €478.00
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
€120.89 €127.25
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
€1,852.50 €1,950.00
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
€454.10 €478.00
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
€120.89 €127.25
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
€1,566.55 €1,649.00
Product Image of Ultrafiltration Unit, Nanosep, orange, Omega-Membrane, 300 kD, 100 pc/PAK
Ultrafiltration Unit, Nanosep, orange, Omega-Membrane, 300 kD, 100 pc/PAK
Item number: PAOD300C34
Brand: Pall Corporation
€384.75 €405.00
Product Image of Ultrafiltration Unit, Nanosep, orange, Omega-Membrane, 300 kD, 24 pc/PAK
Ultrafiltration Unit, Nanosep, orange, Omega-Membrane, 300 kD, 24 pc/PAK
Item number: PAOD300C33
Brand: Pall Corporation
€115.85 €121.95
Product Image of Ultrafiltration Unit, Nanosep, clear, Omega-Membrane, 100 kD, 500 pc/PAK
Ultrafiltration Unit, Nanosep, clear, Omega-Membrane, 100 kD, 500 pc/PAK
Item number: PAOD100C35
Brand: Pall Corporation
€1,566.55 €1,649.00
Product Image of Ultrafiltration Unit, Nanosep, clear, Omega-Membrane, 100 kD, 100 pc/PAK
Ultrafiltration Unit, Nanosep, clear, Omega-Membrane, 100 kD, 100 pc/PAK
Item number: PAOD100C34
Brand: Pall Corporation
€435.10 €458.00
Product Image of Ultrafiltration Unit, Nanosep, clear, Omega-Membrane, 100 kD, 24 pc/PAK
Ultrafiltration Unit, Nanosep, clear, Omega-Membrane, 100 kD, 24 pc/PAK
Item number: PAOD100C33
Brand: Pall Corporation
€131.10 €138.00
Product Image of Ultrafiltration Unit, Nanosep, red, Omega-Membrane, 30 kD, 500 pc/PAK
Ultrafiltration Unit, Nanosep, red, Omega-Membrane, 30 kD, 500 pc/PAK
Item number: PAOD030C35
Brand: Pall Corporation
€1,566.55 €1,649.00
Product Image of Ultrafiltration Unit, Nanosep, red, Omega-Membrane, 30 kD, 100 pc/PAK
Ultrafiltration Unit, Nanosep, red, Omega-Membrane, 30 kD, 100 pc/PAK
Item number: PAOD030C34
Brand: Pall Corporation
€435.10 €458.00
Product Image of Ultrafiltration Unit, Nanosep, red, Omega-Membrane, 30 kD, 24 pc/PAK
Ultrafiltration Unit, Nanosep, red, Omega-Membrane, 30 kD, 24 pc/PAK
Item number: PAOD030C33
Brand: Pall Corporation
€131.10 €138.00
Product Image of Ultrafiltration Unit Nanosep, blue, Omega-Membrane, 10 kD, 500 pc/PAK
Ultrafiltration Unit Nanosep, blue, Omega-Membrane, 10 kD, 500 pc/PAK
Item number: PAOD010C35
Brand: Pall Corporation
€1,776.50 €1,870.00
Product Image of Ultrafiltration Unit Nanosep, blue, Omega-Membrane, 10 kD, 100 pc/PAK
Ultrafiltration Unit Nanosep, blue, Omega-Membrane, 10 kD, 100 pc/PAK
Item number: PAOD010C34
Brand: Pall Corporation
€435.10 €458.00
Product Image of Ultrafiltration Unit Nanosep, blue, Omega-Membrane, 10 kD, 24 pc/PAK
Ultrafiltration Unit Nanosep, blue, Omega-Membrane, 10 kD, 24 pc/PAK
Item number: PAOD010C33
Brand: Pall Corporation
€131.10 €138.00
Product Image of Ultrafiltration Unit Nanosep, gray, Omega-Membrane, 3 kD, 500 pc/PAK
Ultrafiltration Unit Nanosep, gray, Omega-Membrane, 3 kD, 500 pc/PAK
Item number: PAOD003C35
Brand: Pall Corporation
€1,776.50 €1,870.00
Product Image of Ultrafiltration Unit Nanosep, gray, Omega-Membrane, 3 kD, 100 pc/PAK
Ultrafiltration Unit Nanosep, gray, Omega-Membrane, 3 kD, 100 pc/PAK
Item number: PAOD003C34
Brand: Pall Corporation
€435.10 €458.00
Product Image of Ultrafiltration Unit Nanosep, gray, Omega-Membrane, 3 kD, 24 pc/PAK
Ultrafiltration Unit Nanosep, gray, Omega-Membrane, 3 kD, 24 pc/PAK
Item number: PAOD003C33
Brand: Pall Corporation
€131.10 €138.00
Product Image of CHROMAFIL Multi 96, GF-Membran, 3 µm, Mo
CHROMAFIL Multi 96, GF-Membran, 3 µm, Mo
Item number: MN738658.M
Brand: Macherey-Nagel
€36.10
Product Image of Membrane filter, round, Porafil CA, CA, 220 mm, 0,80 µm, white, 25/pac
Membrane filter, round, Porafil CA, CA, 220 mm, 0,80 µm, white, 25/pac
Item number: MN68000080220
Brand: Macherey-Nagel
€408.53
Product Image of Membrane filter, round, Porafil CA, CA, 142 mm, 0,80 µm, white, 25/pac
Membrane filter, round, Porafil CA, CA, 142 mm, 0,80 µm, white, 25/pac
Item number: MN68000080142
Brand: Macherey-Nagel
€222.93
Product Image of Membrane filter, round, Porafil CA, CA, 100 mm, 0,80 µm, white, 25/pac
Membrane filter, round, Porafil CA, CA, 100 mm, 0,80 µm, white, 25/pac
Item number: MN68000080100
Brand: Macherey-Nagel
€185.60
Product Image of Membrane filter, round, Porafil CA, CA, 90 mm, 0,80 µm, white, 50/pac
Membrane filter, round, Porafil CA, CA, 90 mm, 0,80 µm, white, 50/pac
Item number: MN68000080090
Brand: Macherey-Nagel
€305.07
Product Image of Membrane filter, round, Porafil CA, CA, 50 mm, 0,80 µm, white, 100/pac
Membrane filter, round, Porafil CA, CA, 50 mm, 0,80 µm, white, 100/pac
Item number: MN68000080050
Brand: Macherey-Nagel
€184.53
Product Image of Membrane filter, round, Porafil CA, CA, 47 mm, 0,80 µm, white, 100/pac
Membrane filter, round, Porafil CA, CA, 47 mm, 0,80 µm, white, 100/pac
Item number: MN68000080047
Brand: Macherey-Nagel
€180.27
Product Image of Membrane filter, round, Porafil CA, CA, 25 mm, 0,80 µm, white, 100/pac
Membrane filter, round, Porafil CA, CA, 25 mm, 0,80 µm, white, 100/pac
Item number: MN68000080025
Brand: Macherey-Nagel
€134.40
Product Image of Membrane filter, round, Porafil CA, CA, 13 mm, 0,80 µm, white, 100/pac
Membrane filter, round, Porafil CA, CA, 13 mm, 0,80 µm, white, 100/pac
Item number: MN68000080013
Brand: Macherey-Nagel
€103.68
Product Image of Membrane filter, round, Porafil CA, CA, 220 mm, 0,45 µm, white, 25/pac
Membrane filter, round, Porafil CA, CA, 220 mm, 0,45 µm, white, 25/pac
Item number: MN68000045220
Brand: Macherey-Nagel
€408.53
Product Image of Membrane filter, round, Porafil CA, CA, 142 mm, 0,45 µm, white, 25/pac
Membrane filter, round, Porafil CA, CA, 142 mm, 0,45 µm, white, 25/pac
Item number: MN68000045142
Brand: Macherey-Nagel
€222.93
Product Image of Membrane filter, round, Porafil CA, CA, 100 mm, 0,45 µm, white, 25/pac
Membrane filter, round, Porafil CA, CA, 100 mm, 0,45 µm, white, 25/pac
Item number: MN68000045100
Brand: Macherey-Nagel
€185.60
Product Image of Membrane filter, round, Porafil CA, CA, 90 mm, 0,45 µm, white, 50/pac
Membrane filter, round, Porafil CA, CA, 90 mm, 0,45 µm, white, 50/pac
Item number: MN68000045090
Brand: Macherey-Nagel
€305.07
Product Image of Membrane filter, round, Porafil CA, CA, 50 mm, 0,45 µm, white, 100/pac
Membrane filter, round, Porafil CA, CA, 50 mm, 0,45 µm, white, 100/pac
Item number: MN68000045050
Brand: Macherey-Nagel
€184.53
Product Image of Membrane filter, round, Porafil CA, CA, 47 mm, 0,45 µm, white, 100/pac
Membrane filter, round, Porafil CA, CA, 47 mm, 0,45 µm, white, 100/pac
Item number: MN68000045047
Brand: Macherey-Nagel
€180.27
Product Image of Membrane filter, round, Porafil CA, CA, 25 mm, 0,45 µm, white, 100/pac
Membrane filter, round, Porafil CA, CA, 25 mm, 0,45 µm, white, 100/pac
Item number: MN68000045025
Brand: Macherey-Nagel
€134.40
Product Image of Membrane filter, round, Porafil CA, CA, 13 mm, 0,45 µm, white, 100/pac
Membrane filter, round, Porafil CA, CA, 13 mm, 0,45 µm, white, 100/pac
Item number: MN68000045013
Brand: Macherey-Nagel
€103.68
Product Image of Membrane filter, round, Porafil CA, CA, 220 mm, 0,20 µm, white, 25/pac
Membrane filter, round, Porafil CA, CA, 220 mm, 0,20 µm, white, 25/pac
Item number: MN68000020220
Brand: Macherey-Nagel
€408.53
Product Image of Membrane filter, round, Porafil CA, CA, 142 mm, 0,20 µm, white, 25/pac
Membrane filter, round, Porafil CA, CA, 142 mm, 0,20 µm, white, 25/pac
Item number: MN68000020142
Brand: Macherey-Nagel
€222.93
Product Image of Membrane filter, round, Porafil CA, CA, 100 mm, 0,20 µm, white, 25/pac
Membrane filter, round, Porafil CA, CA, 100 mm, 0,20 µm, white, 25/pac
Item number: MN68000020100
Brand: Macherey-Nagel
€185.60
Product Image of Membrane filter, round, Porafil CA, CA, 90 mm, 0,20 µm, white, 50/pac
Membrane filter, round, Porafil CA, CA, 90 mm, 0,20 µm, white, 50/pac
Item number: MN68000020090
Brand: Macherey-Nagel
€305.07
Product Image of Membrane filter, round, Porafil CA, CA, 50 mm, 0,20 µm, white, 100/pac
Membrane filter, round, Porafil CA, CA, 50 mm, 0,20 µm, white, 100/pac
Item number: MN68000020050
Brand: Macherey-Nagel
€184.53

Membrane filter of different 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 sterilisation 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.