Manufactured under strictly controlled conditions. Whatman™ Cellulose Nitrate Membrane Filters have a noticeably improved flexibility and are made to tolerate abuse during handling, loading, and autoclaving without sacrificing integrity.

Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Sheets are widely used standard grade filter paper for routine applications with medium retention and flow rates.

Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Circles are widely used standard grade filter papers for routine applications with medium retention and flow rates.

Fits into top of flask to prevent partial loss of product during freeze drying.

Suitable for all works in laboratories. Fisherbrand™ 602 Medium Filtering Special Filter Paper is used in filtration of various products, pharmaceutical wrapping (pills, powders, dressing bandages and tablets).

Dissolves residue-free in acid solution, which is critical in applications such as Kjeldahl analysis of nitrogen in soil. Whatman Kjeldahl Analysis Weighing Paper, Grade B-2 is thin, lightweight, and low in nitrogen for accurate chemical analysis.

Use for quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates or for quantitative air pollution analysis. Whatman™ Quantitative Filter Paper: Grade 41 Circles are commonly used in preparing samples for metal analysis after nitric acid digestion.

Used in schools and as bench protective paper. Fisherbrand™ Grade 600 Cellulose General Purpose Filter Paper is economical.

Supports accurate analysis in applications sensitive to very low levels of background contamination. Whatman™ Quantitative Filter Paper: Grade 40 Circles are additionally useful in gravimetric analysis where ash content might affect weight measurements of combusted samples.

Very fast filtration velocity. Fisherbrand™ Grade 122 Cellulose General Purpose Filter Paper is used for all general works in laboratories.

Filters particles twice as fast as Whatman Qualitative Filter Paper Grade 5. Whatman™ Qualitative Grade 6 Filters provide fine particle retention for boiler water analysis.

Use for chemical analysis in waste water treatment. Pleated Filter MN 615 1/4 is perfect for determination of dry matter.

A filter paper used in analytical works in laboratories with medium filtration velocity.

Used for filtration of fatty products and suitable for hot filtrations.

Used in schools and as bench protective paper. Fisherbrand™ Grade 600 Cellulose General Purpose Filter Paper is economical.

Filters fine particulates.

Used in analytical works in laboratories. Fisherbrand™ Grade 601 Cellulose General Purpose Filter Paper has medium filtration velocity.

Glass microfiber filter paper

Retains the fine precipitates encountered in chemical analysis. Whatman™ Qualitative Filter Paper - Grade 5 Circles are excellent clarifying filters for cloudy suspensions and for water and soil analysis.

Filters and retains extremely small particles. Whatman™ Quantitative Filter Paper: Grade 42 Circles are suitable for processes that require ashing.

Consist of individual strands woven into a mesh screen

A general purpose filter paper used for all general works in the laboratory for excellent and consistent filtration.

Suitable for removal of fine particles

Used for fine precipitates such as magnesium ammonium phosphate and calcium oxalate.

For fast filtering of particulates.

Used in schools and as bench protective paper. Fisherbrand Grade 600 Cellulose General Purpose Filter Paper is economical.

Determination of absorption of water.

Very fast filtration velocity. Fisherbrand™ Grade 122 Cellulose General Purpose Filter Paper is used for all general works in laboratories.

Very fast filtration velocity. Fisherbrand™ Grade 122 Cellulose General Purpose Filter Paper is used for all general works in laboratories.

Fisherbrand™ Grade 115 Cellulose Very Slowly Filtering Qualitative Filter Paper are made of cellulose fibers.