Composed of mixed cellulose esters (nitrate and acetate)

These discs are made of polyethylene and have good chemical resistance. Kartell™ Polyethylene Disc Membrane is used to separate the filter paper from the funnel plate when working with a Buchner Funnel.

Recommended when maximum recovery is important

Hydrophobic membrane with laminated backing for easier handling

Hydrophobic membrane with laminated backing for easier handling

Hydrophobic membrane with laminated backing for easier handling

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.

Mixed cellulose esters (MCE) membrane, hydrophilic

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.

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

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

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.

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

Hydrophobic membrane with laminated backing for easier handling

Recommended when maximum recovery is important

Mixed cellulose esters (MCE) membrane, hydrophilic

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.

Provides clarification of corrosives, solvents, and aggressive fluids. Whatman™ PTFE Membrane Circles are particularly useful in HPLC analysis when solid particles can cause permanent damage to the column.

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.

Facilitates the counting process and minimizes eye fatigue with color contrast between the surface and the colonies. Whatman™ ME 25 Plain Mixed Cellulose Ester Membranes are characterized by a smooth and more uniform surface.

Membrane Filters for Colony Counting, Particle Testing and Microscopy - Cellulose nitrate (cellulose ester), gridded, individually, sterile packaged

Consist of individual strands woven into a mesh screen

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

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

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

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

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

Suitable for Clarification and sterilizing filtration of biological fluids . Fisherbrand™ Cellulose Membranes filters are composed of pure cellulose acetate modified to offer researchers the lowest binding filters available.

Ideal for filtering or sterilizing nonprotein-containing biological solutions.