Membrane Filters

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  • Whatman PM2.5 Air Monitoring Membrane Filters

    GE Healthcare

    GE’s Whatman PM2.5 PTFE membrane filters are designed for PM 2.5 ambient air monitoring. These high-purity, thin filters are sequentially numbered and come with chemically resistant polypropylene support rings. Polypropylene support rings for robotic air sampling Thermally stable design…

  • Cellulose Nitrate Membrane Filters, Type WCN

    GE Healthcare

    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…

  • Spectra/Mesh® Woven Filters, Stainless Steel

    Spectrum Med

    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…

  • Nuclepore Track-Etched Polycarbonate (Hydrophilic) Membranes

    GE Healthcare

    Nuclepore track-etched polycarbonate membranes are manufactured from high-quality polycarbonate film and have sharply defined pore sizes, high flow rates, and excellent chemical and thermal resistance. The membranes have a smooth flat surface and exhibit very low levels of extractables. …

  • Whatman Cyclopore PC Polycarbonate Membrane Filters

    GE Healthcare

    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…

  • Specialty Application PCTE Membrane Filters

    GVS Filter Technology

    Measurement of Organic Halides in Water and Wastewater EPA Standard 1650 (AOX Method) (4663G77 and G79) For filtration of water sample after acidification and slurry with activated charcoal to adsorb organic halides. Filter and residue are combusted and halogen atoms converted to ions for…

  • Whatman Pop-Top and Swin-Lok Plastic Filter Holders

    GE Healthcare

    Filter holders designed for microfiltration and ultra cleaning of small volumes of liquids using positive pressure. Designed for microfiltration and ultra cleaning of small volumes of liquids using positive pressure. All three holders will accommodate Nuclepore track-etched and cast membranes. …

  • Whatman Nuclepore Polycarbonate Hydrophilic Membranes

    GE Healthcare

    GE’s Nuclepore track-etched hydrophilic membrane filters offer a highly defined pore size cutoff in the sub-micron range, enabling particle deformity measurement and capture of extremely small particles. Track-etched for highly defined pore size and high pore density Treated with…

  • Micron-Sep Membrane Filters

    GVS Filter Technology

    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…

  • Whatman Anodisc Circle with Support Ring

    GE Healthcare

    Anopore inorganic membranes (Anodisc), circles, with support ring High pore density and narrow pore size distribution make it an extremely precise membrane. Wide solvent compatibility reduces the need to stock a variety of membranes in the laboratory. No additives used in the manufacturing…

  • Non-Sterile Cellulose Nitrate Membranes – 8 µm

    GE Healthcare

    Cellulose nitrate membranes, circles, plain Narrow pore size distribution for improved surface capture and analysis. Low levels of extractables to ensure sample integrity. Recommended for the majority of routine applications, this membrane is manufactured under strictly…

  • Nylon Membrane Filters

    Thermo Scientific Nalgene

    For both aqueous and organic solvent filtrations Hydrophilic Low level of extractables Nalgene nylon membranes are ideal for use with HPLC solvents and ultracleaning solutions for electronic laboratories. They are useful for the sterilization and clarification of buffers and culture media.…

  • Whatman Nuclepore Track-Etched Polycarbonate (Hydrophobic) PVP-Free Membranes

    GE Healthcare

    Low protein binding and low extractables ensuring no sample contamination. High chemical resistance and good thermal stability for a wide range of samples. Low, consistent ash and low tare weights. Smooth flat surface for good visibility of particles. Low protein binding and low extractables…

  • Black Polycarbonate (PCTE) Membrane Filters

    GVS Filter Technology

    For epifluorescence microscopy Smooth flat surface- micro-organisms are retained in one plane on the surface Do not stain Essentially zero autofluorescence Recommended for: epifluorescence microscopy; water testing; observation of bacteria (0.2-5 µm), yeasts and molds…

  • Whatman Polyethersulfone (PES) Membrane Filter

    GE Healthcare

    Whatman polyethersulfone (PES) membrane filters from GE Healthcare’s Life Sciences business are hydrophilic and stable in alkaline pH, making them suitable for biological samples and aqueous applications. Low protein binding minimizes nonspecific protein adsorption Hydrophilic membrane suitable…

  • Mixed Cellulose Ester Membranes, 0.45µm

    GE Healthcare

    The membrane offers a high degree of internal surface area for greater adsorption of product. Higher dirt loading capacity. Black plain and black gridded membranes have a mix of cellulose nitrate and cellulose acetate. Uniform microporous structure of membrane gives high flow rates. No…

  • EZ-Pak Filters 0.45 µm 47 mm White Gridded


    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…

  • Whatman Non-Sterile Mixed Cellulose Ester Membranes 0.45 µm

    GE Healthcare

    Mixed cellulose ester, WME range, circles, gridded Sterile options available for critical applications. Excellent contrast for easier particle detection. Grids are nontoxic and do not inhibit bacterial growth, ensuring sample integrity. Black plain and black gridded membranes have a mix of…

  • Whatman Polyester Drain Discs

    GE Healthcare

    For use with membrane hardware where extra support is needed for improved flow rate and throughput. For use with membrane hardware where extra support is needed for improved flow rate and throughput. The polyester drain disc is binder free and has a thickness of 100 µm. It provides a flat surface…

  • Researcher24 Steamer Autoclavable Hollow Fiber Cartridges, 1.0mm ID

    WaterSep BioSeparations

    The Researcher Steamer hollow fiber membrane products incorporates our latest glycerin free low extractables, heat resistant modified polyethersulfon membrane technology. All Steamer products are gamma irradiated and ready to use without any tedious pre-rinse. The Steamer HF cartridges are the…

  • Whatman Cellulose Acetate Membrane Filters

    GE Healthcare

    GE’s Whatman cellulose acetate membrane filters have very low protein binding, which minimizes sample loss when filtering protein-based aqueous samples. Minimal sample loss in protein-based samples due to low protein binding Pure cellulose acetate composition, minimizing sample contamination …

  • Whatman Membrane-Butler

    GE Healthcare

    Membrane-Butler, manual butler for dispensing filtration membranes High reliability. Simple handling with foot switch and stepper motor (applies only to Butler E). Cross contamination risks are minimized. Membrane dispensed rapidly. Highly suitable for use on sterile benches. Compact…

  • EZBio® Disc Filters

    Foxx Life Sciences

    EZBio® 47mm gridded disc filters are used for microbiology analysis of water and other liquids in the food, beverage, and pharmaceutical industries. The material of the gridded membrane is mixed cellulose ester and gridded with a 0.45µm pore size. Each gridded disc filter is sterilized by gamma…

  • Cyclopore™ PC Polycarbonate Membranes

    GE Healthcare

    Membrane filters for asbestos sampling and analysis Controlled pore size distribution Smooth flat membrane: particles are retained on surface and easily visible during optical analysis Nuclepore membranes available in two versions: gold coated or uncoated Asbestos analysis is…

  • Glass Fiber Filters with Binder Resin


    Millipore filters with binder resin have superior wet strength and are excellent for qualitative analysis and prefiltration, especially for heavily contaminated liquids. They are also widely used for clarification of aqueous solutions. Type AP15 Lowest dirt-holding capacity …

  • Whatman QM-H Quartz Fiber Filters

    GE Healthcare

    Whatman QM-H from GE is a pure quartz fiber filter for use in testing acidic gases, stacks, flues, and aerosols. Whatman QM-H has low heavy metal content so is well-suited for heavy metals analysis. High stability up to 900°C High filtration efficiency Binder-free Minimal reactivity with…

  • Sterile Mixed Cellulose Esters (MCE) Membrane Filters - Colored

    Advantec MFS

    Available pore sizes: 0.45µm and 0.80µm Color: Black or Green Surface: Gridded Packaging: Individually Wrapped and with or without Absorbent Pad. Pleated band for dispensers available. Advantec Mixed Cellulose Esters (MCE) colored membranes…

  • Whatman Nuclepore Polycarbonate Membranes - Black

    GE Healthcare

    GE’s Nuclepore black membrane filters are polycarbonate track-etched (PCTE) membranes with high particle visibility for standard plate count and epifluorescence microscopy applications. Smooth, gridded PCTE membrane surface efficiently supports microorganism enumeration in a standard plate count…

  • Nylon-66 Membrane Disc Filters

    mdi Membrane Technologies

    mdi’s Nylon-66 HNN membrane disc filters are hydrophilic, non-media migrating, biologically inert, plain white absolute membrane filters. These filters can be used for aqueous as well as organic solvent filtration and offer a number of key features: Very low extractable Wide chemical…

  • Nytran N Blotting Membranes

    GE Healthcare

    Nytran N membranes are designed for Southern and Nothern blotting. Nytran N membranes are designed for Southern and Nothern blotting. Whatman Nytran nylon membranes are available in two formats: Nytran N is moderately charged and Nytran SuPerCharge (SPC) has a very high positive charge. Whatman…

  • Magna Nylon Membrane Filters

    GVS Filter Technology

    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…

  • Whatman Anopore Inorganic Membranes Without Support Ring

    GE Healthcare

    Anopore inorganic membranes (Anodisc) from GE are well suited for a variety of filtration applications. With a novel aluminum matrix and honeycomb pore structure, Anodisc facilitates controlled filtration. Extreme precision due to high pore density and narrow pore size Virtually transparent…

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