Lab Filtration Products

Ahlstrom manufactures a series of extremely high purity, acid washed filter papers designed for use in analytical and gravimetric analysis. The quantitative grades are manufactured from top quality cotton linters using ultra-pure, reverse-osmosis water and are further treated with dilute acid to...

GVS filter papers are the standard for laboratory filtration.  Suitable for Buchner funnels and filtration under pressure.  Using the highest quality material, the GVS filter papers have an enhanced mechanical strengths, quality level, and reliability.  GVS offers both qualitative and...

GVS filter papers are the standard for laboratory filtration.  Suitable for Buchner funnels and filtration under pressure.  Using the highest quality material, the GVS filter papers have an enhanced mechanical strengths, quality level, and reliability.  GVS offers both qualitative 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...

Easily separate sediment and grit from samples Two layers of pre-filter allow for the use of less force, making filtration faster and easier for lab technicians Ensuring high-quality filtration by supporting viscous and heaviest sediment filtration, resulting in a pure sample every time A full...

Air filter is for the fan of the main power supply. The Air Filter for the Fan of the Main Power Supply by PerkinElmer ensures optimal airflow, enhancing the performance and lifespan of equipment. This filter effectively captures dust and other airborne particles, preventing them from entering the...

Diamond® PureFlow™ Vacuum™ Filtration Systems from Globe Scientific provide high-quality, cost-effective options for large volume filtration needs. Systems are offered in multiple configurations and in sizes from 150mL up to 1000mL. Full systems include the filter unit, solution bottle, and sterile...

33 mm Medical Millex Filter Units A 33 mm diameter sterile syringe filter with a 0.22 µm pore size hydrophilic PVDF membrane. Medical Millex filters remove microorganisms, particles, precipitates, and undissolved powders larger than 0.22 μm from aqueous solutions. 33 mm housing has almost...

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...

Best-in-class molecular filtration technology It's not just about the carbon. Our filters are designed and manufactured for safety and optimal performance. The scientists and chemists in our R&D lab continuously work to improve the filtration technology used in our products. The filters...

Reduce probe servicing time and eliminate assembly problems using Thermo Scientific™ Orion™ Membrane Caps for Polarographic Dissolved Oxygen Probe. Convenient screw-on membrane caps help ensure optimal probe performance. For use with Polarographic Dissolved Oxygen probes (081010) 3...

For contamination analysis Transparent, disposable filter holders made from Tenite® plastic and pre-assembled with MF-Millipore filters (effective filtration area is 9 cm 2 ). A thick cellulose pad, 34 mm diameter, between the monitor sections seals the filter to distribute sample flow evenly...

mdi Nylon-66 membrane Syringe filters type SYGN incorporate a Nylon-66 membrane with a binder free borosilicate Microglassfiber prefilter in a polypropylene housing. All mdi syringe filters are color coded for ease of identification and offer a number of unique performance advantages: HPLC Certified...

mdi’s Cellulose Nitrate Membrane Disc Filters are hydrophilic, non-media migrating, biologically inert, plain white absolute membrane filters which offer a number of key features: Absolute retention High flow rates The Cellulose Nitrate Membranes are validated for: Microbial retention...

Ideal for sterilizing gases, venting sterile containers, and sterilizing or clarifying organic solutions. Millex filter units with hydrophobic Fluoropore membrane are ideal for sterilizing gases, venting sterile containers, and sterilizing or clarifying organic solutions. Specialized filter units...

GVS Qualitative Filter Papers are the standard for laboratory filtration. Using the highest quality material, GVS Qualitative Filter Papers have enhanced mechanical strengths, quality level, and reliability. These filter papers are used for qualitative analysis. Qualitative filter papers are made of...

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...

Filtration of samples prior to injection can improve the results of your analysis and extend the life of your column. MicroLiter’s syringe filters are manufactured with the most advanced construction methods and design features available today. A variety of media types and pore sizes are...

GVS MCE Filtration Membranes are composed of a mixture of inert cellulose nitrate and cellulose acetate polymers.  The uniform microporous structure of these filters provides the fastest flow rates and highest throughputs available in a membrane filter.  Because they are biologically...

GVS Qualitative Filter Papers are the standard for laboratory filtration.  Using the highest quality material, GVS Qualitative Filter Papers have enhanced mechanical strengths, quality level, and reliability.  These filter papers are used for qualitative analysis.  Qualitative filter...

GVS filter papers are the standard for laboratory filtration. Suitable for Buchner funnels and filtration under pressure. Using the highest quality material, the GVS filter papers have an enhanced mechanical strengths, quality level, and reliability. GVS offers both qualitative and quantitative...

Designed for demanding filtration tasks, EZFlow® syringe filters with glass fiber membranes are ideal for processing high particulate loads, making them perfect for environmental testing and air monitoring applications. Available in 13mm, 25mm, and 33mm sizes with 0.2 µm or 0.45 µm...

NONSTERILE MILLEX® SYRINGE FILTERS Applications include filtration-based sample preparation for dissolution testing, HPLC, UHPLC, LC-MS, ion chromatography (IC), and general particulate removal Hydrophilic PTFE Millex® filters are HPLC-certified for low extractables - Best recovery...

GVS MCE Filtration Membranes are composed of a mixture of inert cellulose nitrate and cellulose acetate polymers.  The uniform microporous structure of these filters provides the fastest flow rates and highest throughputs available in a membrane filter.  Because they are biologically...