Cartridge systems make changing gas filters quick and easy. A base plate allows cartridges to be exchanged without introducing oxygen. Spring-loaded check valves seal when a filter is removed and open only when a new filter has been locked in place. There is no longer a need for loosening and…

A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids. These cellulose filters are used in qualitative analytical techniques to determine 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 requires…

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,…

A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers from GE Healthcare. Ashless: 0.007% ash maximum for Grades 40 to 44. These are very pure filters suitable for a wide range of critical analytical filtration…

The easy-to-use VACU-GUARD in-line filter devices help to confine and isolate infectious materials in vacuum systems and protect the laboratory. Excellent for protecting vacuum pump systems from solvent vapor or gaseous contaminants and aqueous aerosols. Designed for in-line use with stepped…

1.5 µm Retention Efficient retention of small size particles to 1.5 µm Extremely high flow rate; filtration takes place both vertically and laterally through the filters High loading capacity, which continues to filter efficiently for a greater extended period …

Membrane filters enclosed in plastic housing with female Luer-Lok fitting on inlet for attachment to standard Luer-Lok-tip syringes. Male Luer-slip tip on outlet accepts standard needles. Usable for pressure or vacuum applications. Effective filtration area is 3.8 cm 2 . Offered in a choice of…

MicronSep White Packs Available pre-sterilized or autoclavable with gridded surface. Autoclavable filters come in envelopes of 10 filters and 10 absorbent cellulosic pads. The envelopes are designed to withstand normal autoclaving environments and feature an indicator that changes color after…

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…

The Stericup vacuum filtration system combines a Steritop filter unit with a receiver flask for processing and storing volumes from 150 mL to 1,000 mL. ?? Its new no tip/easy grip flask design and compact profile improve stability during filtration, make gripping the receiver easier, and make…

GE’s Whatman Grade 42 quantitative papers have the finest retention of all Whatman ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis. Ashless: 0.007% ash maximum Fine (2.5 µm) nominal particle retention rating, eliminates…

Efficient retention of small size particles to 1.0 µm Extremely high flow rate; filtration takes place both vertically and laterally through the filters High loading capacity, which continues to filter efficiently for a greater extended period Highly resistant to chemical…

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…

24/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 Bottle top filters fit standard 45mm threaded solution storage bottles Packaged sterile…

WT 100 Witt's Flask, 1000 ml with tubing nozzle, vacuum filtration apparatus accessories, for filtrate collection in an inserted container. WT 100 Witt's Flask, 1000 ml with tubing nozzle, vacuum filtration apparatus accessories, for filtrate collection in an inserted container. The bottle is made…

GE’s Whatman Cyclopore polycarbonate membranes are true pore size microporous membranes featuring the sharp cut-off and reproducible microfiltration characteristics of track-etched membrane filters. Low affinity for stains improves visibility under a microscope Low protein binding…

Whatman Grade GF/F filter from GE Healthcare’s Life Sciences 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…

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…

Wide chemical compatibility Naturally hydrophilic Wide range of pore sizes Recommended for: aqueous, solvent and mobile phase filtration; HPLC sample penetration and solvent filtration; clarification and sterilization Autoclavable pH range: 3-12 Manufactured using a…

Produced from high-purity nitrocellulose Resistant to mild acids, hydrocarbons, formaldehyde, aniline, isopropyl and petroleum ethers, oils, gasoline and kerosene Attacked by strong acids, bases, ethyl amines, ketones and esters Smooth-surfaced and flexible 0.2 µm pore size…

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…

High-quality Econofilters are shipped in large packs and are ideal for busy labs that need fast, efficient filtration. Ideal for busy, high-volume labs Choose from a variety of membrane types and pore sizes  

1.6 µm Retention Efficient retention of small size particles to 1.6 µm Extremely high flow rate; filtration takes place both vertically and laterally through the filters High loading capacity, which continues to filter efficiently for a greater extended period …

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…

I.W. Tremont offers a diverse product line of high quality membrane filters available in a variety of materials, diameters and pore sizes and suitable for a wide range of applications including cell retention, In Vitro Diagnostics, particle collection, clarification and sterile filtration of…

Whatman Uniflo Syringe Filters - consistent performance, maximum value. Whatman Uniflo Syringe Filters are disposable filter units designed to provide clean filtrate from small volumes up to 100mL - combining premium quality with economic efficiency. They are available in a variety of…

The labForce Solvent Filtration Bottle Top Vacuum Filters offer a revolutionary approach to bulk solvent filtration. Safer, faster, and easier to use than conventional glass filtration assemblies, labForce’s Solvent Filtration funnels screw onto any vacuum-capable GL45 threaded bottle. Simply…

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…

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…

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