Filter Membranes

Membrane filters for quantitative determination of microorganisms in QC analysis. Cellulose Nitrate (Cellulose Ester) and Cellulose Acetate filters are offered with or without a hydrophobic edge and/or grid, respectively. Sterile membranes are individually, packaged and are optionally available in...

Overview Durapore ®  membranes provide high flow rates and throughput, low extractables and broad chemical compatibility. Hydrophlic Durapore® membrane binds far less protein than nylon, nitrocellulose, or PTFE membranes. Features & Benefits Available in several pore sizes (both...

Mesh Screens for Macrofiltration Separations Spectrum provides a broad range of Spectra/Mesh Woven Filters that consist of individual strands woven into a mesh screen, characterized by precise mesh openings, percent open area and mesh thickness. There are 5 material types with different physical,...

Sartorius offers a broad range of ultrafiltration membrane discs for sample concentration in your stirred cells. You can choose from membrane discs from 13 mm to 300 mm in diameter, pore sizes from 1 to 300 kilodaltons and three different membrane materials depending on the application....

Gelatin Membrane Filters: Offer the highest retention of viruses, bacteria, yeast and molds. Gel membranes allow the MD8 AirScan to perform continuous microbiological air monitoring in aseptic areas for periods of 8 hrs or more (no desiccation of microbes). Gel membranes can then be solubilitized...

Sartorius membrane filters are available in a wide range of pore sizes, membrane types and diameters to fit the extensive array of applications being performed in the laboratory. Available in diameters from 13mm to 90mm and pore sizes from 0.1 to 8µm depending on material. Additionally, Cellulose...

Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still requires...

Sartorius membrane filters are available in a wide range of pore sizes, membrane types and diameters to fit the extensive array of applications being performed in the laboratory. Available in diameters from 13mm to 90mm and pore sizes from 0.1 to 8µm depending on material. Cellulose Acetate:...

Ahlstrom's qualitative grades of filter paper are, by definition, recommended for use in analytical methods, which determine or identify particulate constituents of a mixture irrespective of the amount present. Qualitative filter papers are often used in routine separation work that still...

mdi’s Grid Marked Cellulose Nitrate Membranes feature a convenient surface grid that facilitates quantification of colonies. Packaging in reel form facilitates the usage with Automated dispensing machines. Compatible with all automatic dispensers. The Gridded Cellulose Nitrate Membranes in...

The first PVDF transfer Membrane for western blotting that wets out in transfer buffer or water. For chemiluminescence or chromogenic detection. Immobilon® PVDF membranes are offered in four types, each optimized for a different protein blotting application. Convenient blotting sandwiches...

For accurate testing and sample processing, and to assure traceability, membrane catalogue number, lot number, pore size and sequential number (from 1 to 150) are printed on the clear, protective cover of every membrane cell. Unused membranes remain safely packed in pleated band. No special...

For chemotaxis and venting applications Smooth flat surface Recommended for: chemotaxis, cell studies, PVP-free for coating applications Hydrophobic polycarbonate membrane filters are identical to the standard PCTE filters except they are manufactured without the wetting agent. These filters are...

EZFlow 25mm, 47mm, and 90mm membrane disc filters are used to retain particles or microorganisms by surface capture. The membrane disc filters are available in 0.22µm or 0.45µm pore sizes. The Nylon membrane is has great chemical resistance and makes them ideal for filtering more aggressive...

Overview Mitex™ PTFE Membrane is unaffected by almost all liquids, including organic solvents, concentrated acids and bases, propellants, and cryogenic fluids. Mitex™ membrane is unbacked, yet is easy to handle, combining the convenience of a backed membrane with the versatility of a...

mdi’s Grid Marked Cellulose Nitrate Membranes feature a convenient surface grid that facilitates quantification of colonies. The Gridded Cellulose Nitrate Membranes are validated for: Inhibitory effect of ink grids on membrane filters per ASTM D 4200-82 Microbial recovery Microbial retention...

Sartorius membrane filters are available in a wide range of pore sizes, membrane types and diameters to fit the extensive array of applications being performed in the laboratory. Available in diameters from 13mm to 90mm and pore sizes from 0.1 to 8µm depending on material.   Cellulose...

EZLabpure™ Polypropylene PP Membrane Disc Filters are designed for efficient particle retention, sample clarification, and routine laboratory filtration applications. Featuring high-quality PP membranes filters, these PP filtration membrane discs provide strong chemical compatibility and...

Biologically inert mixtures of cellulose acetate and cellulose nitrate have made MF-Millipore™ membrane filters one of the most widely used membranes in analytical and research applications. Features & Benefits Versatile filter for biological and environmental monitoring applications...

Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is required....

Extend filtration life and consistency with replaceable frits Protects systems from damaging particulate matter Provides uniform porosity for longer filtration life Inexpensive replacement of frits saves time and money vs. cleaning

Biologically inert mixtures of cellulose acetate and cellulose nitrate have made MF-Millipore™ membrane filters one of the most widely used membranes in analytical and research applications. Features & Benefits Versatile filter for biological and environmental monitoring applications...

Ahlstrom offers a full range of glass microfiber filters manufactured from 100% pure borosilicate glass. Because of their intrinsic properties, glass microfiber filters have wide applications in many areas of laboratory analysis, especially when fine filtration and high loading capacity is required....