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Filters
Thomas®
Autofil™ Bottle-Top Filtration System
Thomas Scientific’s Autofil Bottle-Top Filtration Systems are disposable, sterile, vacuum operated systems for the sterile preparation of buffers, tissue culture media, microbiological media, and other biological fluids. Systems are available with asymmetric 0.22 ?m (sterilization grade) and 0.45…
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
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…
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…
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).…
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…
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…
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…
Maine Manufacturing
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…
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…
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
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…
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…
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…
GE Healthcare
Puradisc™ 25 Syringe Filters
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…
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…
GE Healthcare
Qualitative Filter Papers, Grade No. 2
Standard grade for analytical purposes, especially suited for qualitative analysis of the alkaline earths Slightly thicker, more retentive (8 µm particle retention) and more absorbent than No. 1 Medium flow rate
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…
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…
Argos Technologies
Syringe Filters, MCE, PVDF, PTFE, Nylon, and PES
These Syringe Filters are ideal for filtering culture media and organic solvents in a wide range of applications. All items are tested for filter efficiency and housing integrity. Filter housing is manufactured and tested to withstand pressures of up to 75 PSI (5.1 Bar) Membrane materials include…
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…
Thomas®
Filter Paper, Qualitative Grades
Designed for general qualitative laboratory work Fast filtering speed; 24 mm 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 0.23 mm;…
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.
GE Healthcare
GF/F Borosilicate Glass Microfiber Filter Discs, Ultrafine
Efficient retention of small size particles to 0.7 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 greatly extended period Highly resistant to chemical attack; absence of…
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…
GE Healthcare
25 mm GD/X Syringe Filters
Designed to facilitate manual filtration of viscous samples greater than 10 mL Wide range of membrane materials Polypropylene housing Model 4620K17 uses GMF-150 as its filter media. GMF-150 is a combination of two glass microfiber filters in one. Made from 100% borosilicate glass, its…
GE Healthcare
Membrane Filters, Type WCN
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 filters are 130…
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…
Thermo Scientific Nalgene
Cellulose Nitrate Membrane Filters
Demonstrates superior recovery of micro-organisms (46118B10 and B30) Best suited for microbial analysis in water quality work, sterility testing, and food and beverage testing Conforms to standard methods and can be autoclaved at 121°C Non-sterile, 47 mm diameter Packaged and sealed in…
Corning
Plastic Syringe Filters
Corning® syringe filters are 100% integrity tested and are certified non-pyrogenic and non-cytotoxic and are manufactured in accordance with ISO 9002 standards. A variety of membranes are available to meet your needs: PES for low protein binding and faster flow rates; surfactant-free cellulose…
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