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Autofil™ Bottle-Top...
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…

Qualitative Filter...
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.…

934-AH™ Borosilicate...
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…

47 mm Vacuum Filter...
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…

Thomas Tapered...
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…

Vacuum Filtration...
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…

No. 40 Quantitative...
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…

Syringe Filters
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…

Target HPLC Syringe...
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…

Cell Strainers
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…

Syringe Type...
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…

Acrodisc Syringe...
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…

Vacuum Filter...
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…

No. 42 Quantitative...
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

Nylon Membrane...
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.…

S-Pak Filters
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…

No. 41 Quantitative...
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…

FILTER FUNNEL AND...
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…

Filter Holders
GE Healthcare

Filter Holders

Plastic filtration holders For pressure or vacuum filtration Polycarbonate (4626N20 and N50) or polypropylene (4626N30) plastic, can be autoclaved with filter in place Holder inlet fits standard Luer syringe tip The 13 mm size holder is of 2-piece “Pop-Top” construction. No gasket is…

PES Filter Units
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…

Membrane Filters,...
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…

Polysulfone Bottle...
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…

QC Analysis Sterile...
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…

Qualitative Filter...
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.

Magnetic Filter...
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).…

Filter Systems
Celltreat Scientific

Filter Systems

CELLTREAT Vacuum Filter Systems are ideal for large volume sample separation and purification. The filter systems are manufactured in a Class 100,000 clean room, from USP class VI virgin polystyrene. The filter membrane is Polyethersulfone (PES) material in 0.22µm or 0.45µm pore sizes for rapid…

Nylon Filter Units
Thermo Scientific Nalgene

Nylon 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…

GF/F Borosilicate...
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…

Magna PTFE (Teflon)...
GE Osmonics

Magna PTFE (Teflon) Membrane Filters

Aggressive chemical compatibility Inherently hydrophobic Laminated and unlaminated Unlaminated membranes are more compatible with strong acids, aggressive solvents and high temperatures Recommended for: aggressive solvents, strong acids or base filtration; sterilization,…

Micron-Sep Membrane...
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…

25 mm GD/X Syringe...
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…

Sterile and Standard...
Drummond

Sterile and Standard Replacement Filters

Dual Membrane Self-Locking Filter The Dual Membrane Self-Locking Filter for Pipet-Aids® eliminates the possibility of cross-contamination due to over-pipetting. This unique protective filter which incorporates both 0.8µm hydrophilic and 0.8µm hydrophobic membranes to prevent further use once…