Filter Paper

Whatman™ Qualitative Filter Paper: Grade 1 Circles

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.

Fisherbrand™ Wet-Strengthened Qualitative Filter Paper Circles

Coarse cellulose fiber papers remove particles >25μm

Fisherbrand™ Qualitative Grade Plain Filter Paper Circles - P8 Grade

Ideal for clarifying and removing particles of 20μm and larger, and in applications that do not require a low-ash or ashless paper.

Fisherbrand™ Qualitative Grade Plain Filter Paper Circles - P5 Grade

Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper

Whatman™ Quantitative Filter Paper: Grade 42 Circles

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

Whatman™ Qualitative Filter Paper: Grade 4 Circles

Filters and retains course particles for monitoring air pollution. Whatman™ Qualitative Filter Paper: Grade 4 Circles are used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.

Whatman™ Qualitative Filter Paper: Grade 2 Circles

Retains and absorbs more than Grade 1 filters, with a corresponding increase in filtration time. Whatman™ Qualitative Filter Paper: Grade 2 Circles are used for monitoring specific contaminants in the atmosphere and in soil testing.

Whatman™ Quantitative Filter Paper: Grade 40 Circles

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.

Whatman™ Qualitative Filter Paper: Grade 5 Circles

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.

Fisherbrand™ Qualitative Grade Plain Filter Paper Sheets - P5 Grade

Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper

Whatman™ Qualitative Grade Plain Circles and Sheets - Grade 3

Used for high precipitate capacity and increased wet strength. Whatman™ Qualitative Grade Plain Circles and Sheets - Grade 3 provide double the thickness of Whatman Grade 1.

Whatman™ Quantitative Filter Paper: Grade 41 Circles

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.

Fisherbrand™ Quantitative Grade Filter Paper Circles

Manufactured to reduce silicon dioxide, calcium oxide and ferric oxide levels

Fisherbrand™ Qualitative Grade Plain Filter Paper Circles and Sheets - P2 Grade

Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper

Whatman™ Qualitative Filter Paper: Grade 1 Circles: PROMO

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.

Whatman™ Reeve Angel 202 Creped Qualitative Circles

For routine, noncritical laboratory filtration applications such as general chemistry, pharmacology, emulsions, petroleum testing, soaps and detergents

GE Healthcare™ Qualitative Filter Paper: Grade 5 Circles

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

Fisherbrand™ Qualitative Grade Plain Filter Paper Circles and Sheets - P4 Grade

Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper

Whatman™ Qualitative Filter Paper: Grade 2 Sheets

Retains and absorbs more than Grade 1 filters, with a corresponding increase in filtration time. Whatman™ Qualitative Filter Paper: Grade 2 Sheets are used for monitoring specific contaminants in the atmosphere and in soil testing.

Whatman™ Qualitative Filter Paper: Grade 1 Sheets: PROMO

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.

Fisherbrand™ Qualitative Grade Plain Filter Paper Sheets - P8 Grade

Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper

Whatman™ Grade 92 Glass Microfiber Filter Paper

Improves performance and longevity of equipment. Whatman™ Grade 92 Glass Microfiber Filter Paper can be used for a wide range of applications.

Whatman™ Grade 2V Folded Qualitative Filter Papers

Saves time required to fit circles into conical funnels. Whatman™ Grade 2V Folded Qualitative Filter Papers provide medium flow and nominal particle retention rating of 8µm at a higher filtration speed.

Whatman™ Quantitative Filter Paper: Grade 40 Circles: PROMO

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.

Whatman™ Grade 54 Quantitative Filter Paper

Supports collection of coarse and gelatinous precipitates with minimal fiber shredding, even when wet. Whatman™ Grade 54 Quantitative Filter Paper has a hard, smooth surface to sustain vacuum and suction filtration.

Whatman™ Qualitative Filter Paper: Grade 113 Circles

Strengthened with chemically stable resin additive. Whatman™ Qualitative Filter Paper: Grade 113 Circles boast the fastest flow rate of the qualitative grades. Crepe surface promotes ultra high loading capacity.

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