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.

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.

Recommended when maximum recovery is important. Durapore™ PVDF Membranes: 0.45μ 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.

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

Designed for air monitoring, bioassays, dairy microbiology, particle monitoring and particle removal. MF-Millipore™ Mixed Cellulose Ester Membranes, 0.80μm pore size are available in a range of diameters. Composed of mixed cellulose membrane in black or white with a plain or gridded surface.

Designed for a wide range of analytical and research applications. MF-Millipore™ Mixed Cellulose Ester Membranes, 5.0μm pore size are available in a range of diameters. Composed of plain, white mixed cellulose membrane.

Designed for a wide range of analytical and research applications. MF-Millipore™ Mixed Cellulose Ester Membranes, 0.45μm pore size are available in a range of diameters. Composed of mixed cellulose membrane in black or white with a plain or gridded surface.

Naturally hydrophilic membrane designed to wet out evenly and retain its superior strength during use in general filtration or medical assays.

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

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

Filtration of aqueous or organic solutions

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

Designed for a wide range of analytical and research applications. MF-Millipore™ Mixed Cellulose Ester Membranes, 0.22μm pore size are available in a range of diameters. Composed of plain, white mixed cellulose membrane.

Whatman polyethersulfone (PES) membrane filters from GE Healthcare’s Life Sciences business are hydrophilic and stable in alkaline pH, making them suitable for biological samples and aqueous applications.

Recommended when maximum recovery is important

Ensures visibility of particles under the microscope with smooth membranes and low affinity for stains. Whatman™ Cyclopore™ Polycarbonate Membrane Filters can also reproduce microfiltration characteristics of track-etched membrane filters.

Manufactured from high-quality polycarbonate film and track-etched for high pore size precision. Whatman™ 25mm Nuclepore™ Polycarbonate Track-Etched Membranes combine high flow rates and chemical and thermal resistance with sharply defined pores, making them suitable for microscopy, cytology, parasitology, and certain air and oceanography analyses.

Fisherbrand™ Polyethersulfone Membranes features highly asymmetrical pore structure that offers effective loading capacity and high flow rate.

Reduces background fluorescence in support of epifluorescence microscopy. Whatman™ Nuclepore™ Black Polycarbonate Membrane Filters improve visibility and help to distinguish microorganisms from other particulates.

Excellent chemical and temperature resistance

Used in analytical & research application.

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.

Fisherbrand™ PTFE membrane is hydrophobic filter made of polytetra-fluorethylene laminated with PP layer.

Constructed with precision pore structure and narrow pore size distribution. Whatman™ Anodisc™ Filter Membranes ensure a high level of particle removal efficiency. Captures microorganisms and particulates on the surface of the membrane for subsequent analysis.

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.

Unlaminated for extreme chemical or temperature conditions

Fisherbrand™ Mixed Celluloses Esters Membranes Non-sterile Filters are composed of cellulose acetate and cellulose nitrate.

Hydrophobic membrane with laminated backing for easier handling

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.