Depth filtration glass micro fiber 934-AH® - Fine porosity, fast flow rate, with a 1.5 µm size particle retention. This material is the standard for volatile suspended solids content and related measurements (Standard Methods 2540D and EPA Method 160.2). Also widely used in cell harvesting…

Designed for general qualitative laboratory work Fast filtering speed; 25um particle retention Low retentivity, which retains coarse or gelatinous precipitates such as aluminum hydroxide, cobalt carbonate, mercury iodide and magnesium hydroxide Creped surface; thickness approximately…

Nalgene filters have the Rapid-Flow multi-column membrane-support system. This proprietary system provides a uniform, consistent separation between touchpoints with the membrane, minimizing gap stress to maintain optimal flow. 0.1 micron filters guard against mycoplasma contamination 0.2…

Disposable Syringe Filters featuring: Polypropylene housing Leur-Lok and pressure fitting Convenient color coding system Broad filter material selection Ultrasonically bonded for reliability Polytetrafluoroethylene (PTFE) PTFE membranes are hydrophobic; thus they…

Depth filters with high particle loading capacity. Made of 100% borosilicate. Temperature resistant up to 500 °C. Typically placed directly on top of other membrane filters to act as a prefilter; or may be used to filter solutions directly.

Depth filtration glass micro fiber GRADE A - Fine porosity, fast flow rate, with a 1.6µm size particle retention. Frequently used in the filtration of precipitated proteins and cells. Ideally suited for use as a filter for radioimmuno assay of weak beta emitters by scintillation…

Whatman Grade GF/F filter from Cytiva business is manufactured from pure borosilicate glass. GF/F offers very fine particle retention and good loading capacity and flow rate. 0.7 µm nominal particle retention Served as the basis filter for EPA standard for the toxicity…

Thermo Scientific Nalgene sterile syringe filters are ideal for sterilizing (0.2 micron) or clarifying biological solutions, such as cell culture and microbial media, reagents and additives, proteinaceous solutions, and buffers. PES (polyethersulfone) – Lowest protein binding and…

For supporting funnels, Gooch crucibles, filter tubes, etc., in filtration assemblies Particularly suitable for Buchner and fritted glass funnels, porcelain filters without head pieces and for reverse flow cleaning of filter crucibles Adapters will withstand autoclaving Taper angle in all…

A deep black, qualitative paper for filtering light colored sediments, etc. Medium speed Retains crystalline precipitates of medium fineness 6 µm pore size

Thermoplastic polymer Polypropylene (PP) lends to this units durability and compatibility with a wide range of chemical solvents and temperatures. Exterior locking ring design allows unit to be assembled quickly and efficiently without tearing the membrane or removing from lines. Body and…

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…

Whatman Grade 934-AH ready-to-use (RTU) filters are the time-saving version of Cytiva 934-AH filters, which are widely used for total suspended solids analysis. Prewashed, preweighed RTU filters eliminate pretreating steps otherwise required by Standard Method 2540D Fine particle…

Available pore sizes: 0.10µm, 0.20µm, 0.30µm, 0.45µm, 0.65µm, 0.80µm, 1.0µm, 3.0µm, 5.0µm Colors: White, Black, and Green Surfaces: Gridded or Plain, with or without Hydrophobic Edge (HE) Nonsterile bulk pack Mixed…

CELLTREAT Vacuum Filter Systems are ideal for large volume sample separation and purification. The filter systems are manufactured in a Class 100,000 clean room, from USP class VI virgin polystyrene. The filter membrane is Polyethersulfone (PES) material in 0.22µm or 0.45µm pore sizes…

Special filter for ion chromatography For the filtration of aqueous liquids For optimal results with blind values < 5 ppb we recommend to pre-wash the filter with de-ionized water

ValuSep® Solid Phase Extraction (SPE) filters for EPA Method 1664A are designed to provide high recovery and low blank values in Horizon® SPE-DEX® and SPE manifold EPA Method 1664A applications. Each SPE filter consists of glass fibers which have been chemically modified so they retain…

Microporous filters with precisely controlled pore size Hydrophilic- treated with PVP Smooth, flat surface Recommended for: water analysis and oceanography; surface capture for analysis; chemotaxis; microscopy; cytology (3, 5 and 8 µm); low protein binding applications pH…

12/cs Angled hose barb adapter fits 3 size hose diameters and improves stability Polyethersulfone (PES) membrane for high flow and low binding Two membrane pore sizes: 0.22µm or 0.45µm Filter systems include bottle top filter and solution bottle with cap Bottle top filters fit standard…

STERILE MILLEX® SYRINGE FILTERS Applications include sterilizing cell culture reagents such as cell culture media, antibiotics, supplements, sera, viruses for infection, and other biological solutions Fast flow and low binding for cell culture media preparation with Millipore…

30/cs Available in a variety of membrane types, porosities and diameters Color-coded for easy recognition Filters include luer-lock connections with polypropylene housings Filters are molded in the housings, providing a reliable seal without the use of adhesives Individual peel-to-open…

Chemical free, general purpose High Speed Analytical- Fast Metabolite DNA and Pharmacokinetic Blood Spotting Cards. Blue cards offer 4 positions to spot blood. Red cards offer 12 positions to spot blood with a convenient hydrophobic protective flap.

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,…

S-Pak sterile, individually packed, gridded membrane filters are made from mixed esters of cellulose and have been optimized for MF method microbiological analysis of water or other liquids. Type HA (0.45 µm) for total coliform or yeast and mold analysis and type RA (1.2 µm) for yeast…

Filter volumes as low as 50µL up to 750µL with low hold-up volume Use with any laboratory microcentrifuge Virgin polypropylene filter housing with tapered 2mL, capped receiver tube 10,000xG maximum centrifugal force

Quick and efficient sample filtration HPLC sample preparation Sterile isolation Autoclavable at 121°C Puradisc 25 is a 25 mm diameter syringe filter for sample volume throughput up to 100 mL . Low hold volumes of <100 µL allow for maximum sample recovery. Applications include HPLC aqueous…

Designed for very fine precipitates Slow filtering speed; 1 µm particle retention High retentivity, which retains very fine crystalline precipitates such as cuprous oxide, lead sulfate, barium sulfate and manganese carbonate Thickness approximately 0.20 mm, 1.5 µm pore size

30/cs Available in a variety of membrane types, porosities and diameters Color-coded for easy recognition Filters include luer-lock connections with polypropylene housings Filters are molded in the housings, providing a reliable seal without the use of adhesives Individual peel-to-open…

Depth filtration glass micro fiber GRADE B - Fine porosity, medium to fast flow rate, with a 1.0 µm size particle retention. Ideally suited for the collection of biochemical polymers that have been precipitated by denaturation. This material is twice as thick as Grade A with a higher loading…

75/cs Available in a variety of membrane types, porosities and diameters Color-coded for easy recognition Filters include luer-lock connections with polypropylene housings Filters are molded in the housings, providing a reliable seal without the use of adhesives Individual peel-to-open…

Provides fast sample processing, high sample recovery This Amicon Ultra 0.5 mL centrifugal filter enables the concentration of proteins with a membrane NMWL of 3 kDa. Amicon Ultra centrifugal filters are ideal for protein purification, protein concentration & desalting. The…

30/cs Available in a variety of membrane types, porosities and diameters Color-coded for easy recognition Filters include luer-lock connections with polypropylene housings Filters are molded in the housings, providing a reliable seal without the use of adhesives Individual peel-to-open…