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Filters
Thomas®
Autofil™ Bottle-Top Filtration System
SPECIAL OFFER: Buy 3 Cases of Autofil Bottle-Top Filtration Systems, Get 1 Case FREE! Download the redemption form in the Additional Info Tab for full details. Thomas Scientific’s Autofil Bottle-Top Filtration Systems are disposable, sterile, vacuum operated systems for the sterile…
GE Healthcare
Qualitative Filter Papers, Grade No. 1
Most widely used general purpose laboratory filter paper Medium retention, 11 µm, medium - fast flow rate, smooth surface Clarifies liquids in routine laboratory applications and for air pollution monitoring. Used in air monitors to collect atmospheric dust for assessment of stain intensity.…
GE Healthcare
934-AH™ Borosilicate Glass Microfiber Filters
1.5 ?m Retention Efficient retention of small size particles to 1.5 ?m 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…
Wheaton
47 mm Vacuum Filter Assembly
Ideal for HPLC solvent/sample filtrate recovery, as well as filtration of corrosive liquids for particulate contamination analysis The flask and fritted glass base are joined with a Standard Taper 40/35 ground joint, so liquids will only come in contact with borosilicate glass Vacuum…
Corning
Vacuum Filtration/Storage Systems
For vacuum filtration of tissue culture or other aqueous solutions Sterile, individually packaged Color-coded by membrane type Certified non-pyrogenic Prefilters included Two-piece, polystyrene, graduated funnel and receiver unit are sterilized by gamma irradiation. Caps…
GE Healthcare
No. 40 Quantitative Ashless Paper
Most widely used general purpose gravimetric filter paper; acid washed, ash content 0.007% Medium speed and retention (8 µm); rough surface Used for calcium oxalate, silica in steel and well-digested barium sulfate; as a high-purity filter in the collection of trace elements and radionuclides in…
Corning
Cell Strainers
Easy, ready-to-use to obtain a more uniform single cell suspension Nylon mesh provides a strong, uniform filtration device Strainers reduce chance of contamination Cell strainers fit inside a Falcon®™ 50 mL centrifuge tube. Each strainer is pre-sterilized, individually wrapped in medical…
Thermo Scientific Nalgene
Syringe Type Membrane Filters
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…
Celltreat Scientific
Syringe Filters
CELLTREAT Scientific Products offers an extensive line of disposable syringe filter devices designed specifically for the filtration of culture media and organic solvents in research and industrial laboratories. They are made with an ABS housing in various diameters which contains a variety of…
GE Healthcare
No. 42 Quantitative Ashless Paper
Suitable for precipitates that are ordinarily difficult to filter (2.5 µm particle retention) Acid wash, ash content 0.007% Highly retentive for very fine analytical precipitates, such as barium sulfate or metastannic acid Recommended for use with vacuum
Thermo Scientific Nalgene
Polysulfone Bottle-Top Filter Holders
Convenience of a bottle top filter with the ability to re-use the filter housing Nalgene 320 Autoclavable Securely screws onto glass media bottles* with 33 mm or 45 mm neck sizes Deep screw threads attach directly to bottle allowing convenient filling and vacuum filtration without holding…
Sheen
Acrodisc Syringe Filters, 25mm
These syringe filters offer a choice of filter media: hydrophilic nylon membrane for excellent chemical compatibility with esters, bases, and alcohols, without pre-wetting; GHP (hydrophilic polypropylene) membrane for low protein binding; and hydrophilic PVDF (polyvinylidine fluoride) membrane for…
National Scientific
Target HPLC Syringe Filters
Non-sterile, sample prep membrane filters 7 membrane types Female Luer-Lock inlet, male Luer-slip outlet Solvent resistant polypropylene housings PES, GMF, Polypropylene and Cellulose Acetate membranes are certified for Ion Chromatography The polypropylene housings with all Target syringe…
Hach
Magnetic Filter Funnel, 300 mL
Clear polysulfone funnel with imprinted graduations. Magnetic coupling of funnel to stem for fast filter changes. Used with 47 mm membrane filters for coliform testing and prefiltration of many fluids. Fits standard manifold systems with #8 rubber stopper connections. Capacity 300 mL (10 oz).…
Thomas®
Thomas Tapered Collar Neoprene Filter Adapters Tubes, Etc.
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…
GE Healthcare
Qualitative Filter Papers, Grade No. 4
Fast filtering with excellent retention of coarse particles and gelatinous precipitates Compliments No. 1 for air pollution monitoring when high flow rates are important Low retentivity, 20-25 µm Used as a rapid filter for clean-up of biological fluids or organic extracts during analysis.
EMD Millipore
Filter Holder Manifolds
Vacuum manifolds support simultaneous filtration of three or six test samples. Use Millipore glass, plastic or stainless steel filter holders fitted with standard No. 8 perforated stoppers over holder outlets. Manifolds connect to single vacuum source and use separate control valves at…
Sartorius
QC Analysis Sterile Cellulose Nitrate Membrane Filters
Membrane filters for quantitative determination of microorganisms in QC analysis. Cellulose Nitrate (Cellulose Ester) and Cellulose Acetate filters are offered with or without a hydrophobic edge and/or grid, respectively. Sterile membranes are individually, packaged and are optionally available in…
GE Healthcare
No. 41 Quantitative Ashless Paper
Fast filtration of coarse or gelatinous precipitates (20-25 µm particle retention) Acid washed, ash content 0.007% Especially suitable for iron or aluminum hydroxides; rough surface Widely used in determining silicon in iron and steel analysis Used for quantitative air pollution analysis when…
Thermo Scientific Nalgene
PES Filter Units
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…
Wheaton
Vacuum Filter Assemblies
Process larger volumes of liquids for analysis of particulate or biological contamination Wheaton-33® low extractable borosilicate glass Unit includes a coarse porosity fritted glass filter support base, an aluminum clamp and a 300 mL glass funnel Screen is removable in…
Corning
Sterile Bottle-Top Filters
For vacuum filtration of tissue culture or other aqueous solutions Sterile, individually packaged Fits 33 or 45-mm receiver bottles Certified non-pyrogenic Available with (CA) cellulose acetate, (CN) cellulose nitrate, (NY) nylon (500 mL size only) or (PES) polyethersulfone membranes. Pores…
EMD Millipore
S-Pak Filters
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 and mold…
Thermo Scientific Nalgene
FILTER FUNNEL AND RECEIVER ASSEMBLIES
Polysulfone filter funnels For 47 mm diameter membrane filters Eliminates the need for a manifold and/or breakable glass vacuum flask Particularly useful for field work Receiver is graduated Non-sterile Autoclavable Two side-arms allow connection to vacuum line; also accepts syringe…
GE Osmonics
Micron-Sep Membrane Filters
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…
Thermo Scientific Nalgene
Nylon Membrane Filters
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.…
Thermo Scientific Nalgene
Stainless Steel Vacuum Manifold
Nalgene 345 Solid and stable on the bench top Designed with three vacuum outlets, each with leakproof, two-way valve and vent port Each outlet securely holds a No. 8 stopper and the stem filter funnel without interference Autoclavable Easy manipulation of individual funnels…
GE Healthcare
No. 44 Quantitative Ashless Paper
Recommended where the greatest accuracy in quantitative work is required (3 ?m) Thin version of No. 42; minimizes actual ash content per circle; rough surface
Thermo Scientific Nalgene
SFCA Filter Units
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…
Munktell
Glass Fiber Filter Paper, MG 550-HA Grade
Temperature resistant up to 550°C Munktell grade MG 550-HA is a binder-free glass fiber filter suitable for suspended solid analysis. The technical data of MG 550-HA corresponds to standard methods for determining total suspended solids in water. Other micro-glass fiber filters for air pollution…
Thermo Scientific Nalgene
CN Filter Units
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…
Thermo Scientific Nalgene
Clamp Style Polysulfone Filter Funnels
Durable, break-resistant, non-toxic polysulfone exhibits low protein- binding and is easy to clean Same funnel design as glass funnels without breakage problems Upper reservoir is graduated in 25 mL increments from 100 to 250 mL Unique fit of upper and funnel sections ensures no…
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