Ensure quality control in routine microbiological filtering. Sartorius Gridded Sterile Cellulose Nitrate Membrane Filters, 0.2μm are single-packed membranes with black grids for colony counting, particle testing and microscopy. The 0.2μm pore size is BCT validated. Choose from two diameters and packaging quantities.

These solvent-resistant, hydrophilic membrane filters are excellently suited for particle removal from solvents.

13 mm diameter, mixed cellulose esters (MCE) membrane, hydrophilic

Carry out particulate and microbial analysis with these filter membranes. Available in various forms for water quality work, cold sterilization or sample clean up.

Filter air and gasses, even at low differential pressures. Sartorius PTFE (Polytetrafluorethylene) Membrane Filters are permanently hydrophobic with low adsorption and excellent chemical compatibility. Choose from four pore sizes in a variety of diameters.

Use for analyses of airborne contaminants and other particles using optical or electron microscopy. Isopore™ Polycarbonate Membrane Filters have a smooth, glass-like surface for clearer sample observation. Available in a variety of pore sizes/flow rates, diameters and colors.

Recommended when maximum recovery is important. Durapore™ PVDF Membranes: 0.22μ Pore Size provide high flow rates and throughput, low extractables, broad chemical compatibility and low protein binding. Available in diameters ranging from 13mm to 142mm.

Combines high flow rates and thermal stability with very low adsorption characteristics. Sartorius Cellulose Acetate Membrane Filters are excellently suited for use in pressure filtration devices. Non-sterile filters in a variety of diameters and pore sizes are bulk-packed to save money and space.

Recommended when maximum recovery is important

Combines uniform pore structure with high flow and adsorption rates. Sartorius Cellulose Nitrate Membrane Filters are excellently suited for diagnostic kits. Non-sterile, hydrophilic filters in a variety of diameters and pore sizes are bulk-packed to save money and space.

Mixed cellulose esters (MCE) membrane, hydrophilic

Flexible and durable for easier handling.   Cytiva Nylon Membranes are naturally hydrophilic, eliminating need for wetting agents and prewetting when filtering aqueous solutions.

Ensure quality control in microbiological filtering. Sartorius Gridded Sterile Cellulose Nitrate Membrane Filters, 0.45μm are single-packed membranes with colored grids for colony counting, particle testing and microscopy. The 0.45μm pore size is made in accordance with ISO 7704. Choose from two diameters and quantities in a range of filter/grid color combinations.

Consist of individual strands woven into a mesh screen

Prepares liquid scintillation cocktail for scintillation counter measurements. Whatman™ Cellulose Acetate Membranes are highly heat resistant and can filter hot liquids and hot gases.

Plain white polyethersulfone membranes provide ultrafast filtration for a variety of applications

Whatman™ Mixed Cellulose Ester Membrane Filters are biologically inert and offers high degree of internal surface area for greater product adsorption.

Universal filter made from pure polyamide for clarification and sterile filtration

Use for analyses of airborne contaminants and other particles using optical or electron microscopy. Isopore™ Polycarbonate Membrane Filters have a smooth, glass-like surface for clearer sample observation. Available in a variety of pore sizes/flow rates, diameters and colors.

Use for analyses of airborne contaminants and other particles using optical or electron microscopy. Isopore™ Polycarbonate Membrane Filters have a smooth, glass-like surface for clearer sample observation. Available in a variety of por

Mixed cellulose esters (MCE) membrane, hydrophilic

13 mm diameter, mixed cellulose esters (MCE) membrane, hydrophilic

Mixed cellulose esters (MCE) membrane, hydrophilic

Recommended for majority of routine applications, this membrane is manufactured under strictly controlled conditions.  Whatman™ Type WCN Cellulose Nitrate Membranes narrow pore size distribution for improved surface capture and analysis.

Whatman™ (ME 27) Mixed Cellulose Ester Membranes, Plain are particularly effective in applications requiring higher flow rates and larger volume filtration including clarification or sterilization of aqueous solutions, particulate analysis and removal, air monitoring, and microbial analysis.

Fisherbrand™ Mixed Celluloses Esters Membranes Sterile Filters are composed of cellulose acetate and cellulose nitrate.

Hydrophobic membrane with laminated backing for easier handling

Mixed Cellulose Esters, Surfactant-free