Filters are essential in research laboratories and many other industries for removing particulates and creating environments conducive to a wide array of experiments and procedures. The devices come in different forms including in-line filters, paper discs, small capsules, and large ventilation panels. Filters also purify and concentrate the liquids and gases required for testing. For air, this means removing pollution, moisture, and solid airborne particulates; for liquids, this means removing impurities and small contaminants.
VaporTrap™ Filter
Supplier: JUSTRITE MANUFACTURING
Filters reduces harmful VOC vapours found inside safety cabinets.
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Cannula filters
Supplier: QUALITY LAB ACCESSORIES
Cannula filters for dissolution sampling methods.
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VWR® Syringe Filters
Supplier: VWR Collection
Syringe filter, VWR®, Membrane material: Nylon, Pore size: 0,22 µm, Ø: 4 mm
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Cannula filter discs
Supplier: QUALITY LAB ACCESSORIES
Cannula filters for most sampling methods, specifically formulated to provide the specified micron ratings.
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Avantor® Hichrom PEEKsil™, In-Line Filter
Supplier: Avantor
This is a fingertight bioanalytical inline filter, comprising a PEEK holder and a 5 μm titanium PEEK-encased frit.
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Exhaust filters for barrels, b.safe
Supplier: Bohlender
Filter body made of PE with connection thread for direct installation on barrels. Lid with aeration openings and label field to monitor service life. Filling made of activated carbon for adsorption of solvents.
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VWR® Filter Vials
Supplier: VWR Collection
Filter vials with the membrane, PE snap ring cap (11 mm), with hole and silicone white/PTFE red septa.
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Replacement filters for spectrophotometric colorimeters, Lovibond® Model F
Supplier: Lovibond Tintometer
Lovibond®, Filter set red, yellow, neutral, with 10 filters
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VWR®, Centrifugal Filters
Supplier: VWR Collection
PP insert and receiver tube. MWCO filters are ideal to concentrate, purify and desalt peptides, proteins, oligonucleotides, DNA and RNA.
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Filtering tiles, BOLA
Supplier: Bohlender
These filtering tiles are made of microporous PTFE.
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J.T.Baker®, Syringe Filters
Supplier: Avantor
These syringe filters are specifically designed for chromatography sample preparation applications and optimised to provide the most consistent results with less extractables.
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VWR® Gas Venting Filters
Supplier: VWR Collection
VWR® Gas venting filters are designed for obstructing bacterial, particles or moisture when venting in different applications. Sterile venting of bioreactors, fermentation tanks, media flasks, and carboys. Sterile gas purge of cell culture vessels or filling vessels. In-line sterilisation of and particulate removal from air and gases. Obstruct moisture to protect equipment.
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VWR® Hichrom Precolumn Filters
Supplier: Avantor
Placed immediately before the column, the precolumn filter traps particles introduced with the sample. For samples, which may irreversibly absorb onto the column, the use of guard cartridges is strongly recommended.
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VWR® Puranity PU, Catridges and Accessories
Supplier: VWR Collection
Filter cartridge, VWR®, Sterile filter 0,2 µm
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Pipeline filters, DURAN®
Supplier: DWK Life Sciences
These in-line filters are used for in-line filtration of gas lines to remove solid impurities (e.g. dust).
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Filter discs with fused glass rim, borosilicate glass, DURAN®
Supplier: DWK Life Sciences
These filter discs feature a fused glass rim.
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Filter discs
Supplier: Lenz Laborglas GmbH & CO.KG
Glass filter discs centred with unfused rim.
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Immersion filters, DURAN®
Supplier: DWK Life Sciences
Immersion filters for reverse filtration, typically in extraction, of clear filtrate (not the filtrand).
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Rods, filtering, BOLA
Supplier: Bohlender
These filtering rods are made of microporous PTFE.
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VWR®, Syringe Filters
Supplier: VWR Collection
Typical applications are clarification, sterile filtration, sample preparation and sterile venting.
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Ultrapure Application Double-Open-End Filter Cartridges
Supplier: Avantor Fluid Handling
Ideal for ultrapure filtration applications.
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VWR® Hichrom Last Drop™ Inlet Filters
Supplier: Avantor
The Last Drop™ eluent filter utilises a flat element, which sits parallel to the bottom of the reservoir, allowing the filter to draw all but the last 2% of the eluent without drawing air into the system. The filter consists of a 316 stainless steel or PTFE filter element in an inert housing.
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VWR®, Filter Cards for Cytology Centrifuges
Supplier: VWR Collection
Cyto strips made of filter board for cytocentrifuges. Absorption of excess liquids from the staining of samples in cytologic analysis. Can be used in Shandon and Sakura Cyto-Tek® cytocentrifuges.
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Centrifuge tube filters, Costar® Spin-X®
Supplier: Corning
Spin-X® centrifuge tube filters use centrifugation to remove bacteria, particles, or cells from liquids, HPLC sample preparation and DNA removal from agarose or acrylamide gels.
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Filter discs, DURAN®
Supplier: DWK Life Sciences
Sintered glass filters have neutral properties with unfused edge and untreated surfaces. The hard sintering process makes the material resilient.
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DURAN® Micro Filter Candles without Tube
Supplier: DWK Life Sciences
These micro filter candles are made from clear DURAN® borosilicate glass 3.3.
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VWR®, Quantitative Filter Papers
Supplier: VWR Collection
424: Filtration of lead sulphide, iron sulphide, silver sulphide, alkali carbonate, lead chromate, arsenic, antimony, cadmium and foodstuffs. Determination of sand content in dairy products. Determination of whiteness of pulp in paper mills.
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Syringe filters, Corning®
Supplier: Corning
Syringe filters are available with a choice of membrane type: Polyethersulfone (PES) for low protein binding and faster flow rates; surfactant-free cellulose acetate (SFCA), with or without prefilter, for lowest protein binding; Polytetrafluoroethylene (PTFE) for chemical resistance; regenerated cellulose (RC) – the best choice for DMSO compatibility; and nylon (NY) which is hydrophilic, surfactant-free and lowest extractable.