Filter

…ashless filter paper for your gravimetric analysis needs. See our other ashless grades to find the right filter for your sample, or use our hardened ashless grades if your analysis involves strong acid/alkali suspensions. Applications for high-purity Grade 40 filters High-purity filters support…

…tubing) or 1/2" (for 3/8" to 1/2" tubing) step barb (SB). Typical uses include pharmaceutical aqueous solutions, tissue culture media, virus suspensions, particle counting solutions and others. Filters are sold individually. *filter/prefilter   **@ 1.0 bar (14.5 psi)

…agents have been shown to be toxic to specific cell lines in vitro (1-3). SFCA also has lower protein binding than does standard CA. If you must use CA for media filtration, you owe it to your cell lines to switch to SFCA. SFCA is available only in Nalgene filter units and bottle top filters.

…particles to 1.5 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 greater extended period Highly resistant to chemical attack; absence of binders ensures that…

…filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 4: 20-25 µm Extremely fast filtering…

…retention of all Whatman cellulose filter papers from GE Healthcare. Ashless: 0.007% ash maximum for Grades 40 to 44. These are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman quantitative filters from GE Healthcare are designed for…

A standard grade filter used for monitoring specific contaminants in the atmosphere and in soil testing. These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate…

…filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 1: 11 µm The most widely used filter…

A standard grade clarifying filter excellent for cloudy suspensions and for water and soil analysis. These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and…

…around it. Denville Syringe Filters are easy to use. They may be used with any luer-lock syringe and are color-coded for easy recognition. The 30mm syringe filters can filter up to 100mL of sample with a retention volume of less than 100µL. The 13mm filters can filter 5 to 10mL of sample and have…

Whatman Reeve Angel® Grade 230 qualitative filter paper circles Grade 230, is manufactured primarily for routine, non-critical laboratory filtration applications For fine chemicals, pharmacology, oils, culture media, emulsions, soaps and detergents, water tests Creped surface …

Finneran 25mm Robot Filters were developed specifically for automated sample filtration systems. Autoclavable.

…flow rate glass microfiber filters. Functional design Three-piece construction. The funnel is quickly dismantled ready for the insertion of a new filter. The glass sealing flanges of the funnel and reservoir are ground flat to ensure a good filter seal. Positive filter clamping All retained…

Protects Valves and Pump Components from Damage Due to Liquids Incorporates a hydrophobic PTFE membrane Allows air and gases to pass through freely while blocking aqueous solutions and aerosol contaminants Offers highly effective retention of bacteria with minimal restriction of pump…

…cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 1: 11 µm The most widely used filter…

…particles to 1.6 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 greater extended period Highly resistant to chemical attack; absence of binders ensures that…

Ashless clippings Ashless clippings Whatman ashless filter aids enhance filtration speed by coagulating precipitates or suspensions to form a thick retentive “prefilter” layer on top of normal filter paper. Easily dispersible, the powder is of a purity similar to that of Whatman ashless…

…venting filters from GE Healthcare’s Life Sciences business are available for a variety of applications. In addition to Whatman HEPA-VENT filters, Whatman HEPA-CAP capsule venting filter is available to support greater filtration volumes. Whatman HEPA-VENT industrial air filter HEPA air filter…

…is supplied without membranes to provide increased flexibility to choose your required membrane. These mixed cellulose ester Type STL come in dispenser boxes with numbered membrane filters for easy removal and safe handling with the Membrane Butler. ME filters come in 4 packs of 100 filters.

…upper chamber, permitting easy membrane retrieval for further analysis Similar to Nalgene 145 series except with polystyrene reservoir Filter units are excellent for microbial analysis, sterility testing and water quality or environmental testing. Model 1208M78 has a 0.2 µm white…

… Most membranes are inherently brittle and difficult to handle; it is not uncommon for filters to be damaged during loading into holders or while in use. Whatman cellulose nitrate membrane filters have a noticeably improved flexibility and are made to tolerate abuse during handling, loading,…

…cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters. Grade 4: 25 µm Extremely fast filtering with…

…or pre-filtration of small volumes of “dirty”, high-protein fluids Disposable 25 mm filters for use with a syringe; utilizes a 0.2 mm cellulose acetate membrane filter with a built-in glass fiber prefilter Unitary construction provides leakproof seal, eliminates bypass…

Whatman Reeve Angel® Grade 230 qualitative filter paper circles Grade 230, is manufactured primarily for routine, non-critical laboratory filtration applications For fine chemicals, pharmacology, oils, culture media, emulsions, soaps and detergents, water tests Creped surface …

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).…

FREE SAMPLES! Download the form in the Additional Info tab to request yours. 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…

Corning® Vacuum Filter/Storage Bottle Systems are designed for filtering and storing cell culture media, biological fluids and other aqueous solutions. The systems consist of a 1000mL polystyrene receiver bottle and filter funnel with a 0.22 µm pore 54.5cm² cellulose nitrate membrane…

…out of vessels, the glass microfiber filter media provides high flow rates with low pressures. HEPA-CAP 36 has a 625 cm 2 filter area and stepped hose barb connections for 1/4" to 3/8" (8 to 10 mm) ID hoses. HEPA-CAP 75 has a 1300 cm 2 filter area and barbs for 3/8" to 1/2"…

…particulate is postponed. Increased total loading capacity as more filter area is available. Maintained flow rate due to the reduction in filter paper contact with funnel side and the self-supporting shape of the filter itself. The prepleating does not significantly affect any of the…

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…