Filters fine particulates.

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

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.

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.

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

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

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

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.

Particularly suited for fat analysis (e.g. using the Weibull-Stoldt method). Macherey-Nagel™ MN 615 ff Grade Filter Papers, Folded are smooth qualitative papers washed with organic solvents to guarantee that these filters are practically free of fats and resins.

Particularly suited for general laboratory filtrations. Macherey-Nagel™ MN 615 Grade Filter Papers, Round is a smooth qualitative paper with medium fast filtration speed. The average ash content is about 0.1%, and the amount of α-cellulose is about 95%.

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

Use for routine qualitative analyses in the lab. Sartorius™ Smooth Folded Filters, Grade 3-HW are wet-strengthened for use in pressure and vacuum filtration. Ultra-pure filter paper is available as a folded filter cone in a variety of diameters.

Collects very small particles and removes fine precipitates. Whatman™ Grade 602H Qualitative Filter Papers are used in the beverage industry to determine residual sugar, acidic spectra, refractometric analysis and HPLC.

Suited for ultra-fine qualitative filtration applications. Macherey-Nagel™ MN 619 de Grade Filter Papers, Folded (= No. 5) are smooth, extra dense filter papers with very slow filtration speed. The average ash content is about 0.1%, the amount of α-cellulose is about 95%.

Suited for general filtration applications, including coarse-crystalline qualitative analysis. Macherey-Nagel™ MN 617 Grade Filter Papers, Folded are smooth, soft filter papers with fast filtration speed. The average ash content is about 0.1%, the amount of α-cellulose is about 95%.

Provides for fast filtration in the laboratory. Karl Hecht™ Assistent™ Filter Paper Circles are grained and have a thickness measuring 0.20mm.

Acid-washed with an extremely low ash content of <0.01% for quantitative analysis and gravimetric applications. Macherey-Nagel™ MN 640 de Ashless Filter Papers, Round are smooth-surface filter papers that perform very slow filtrations of very fine particulates.

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

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

For fast filtering of particulates.

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).

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.

Used for coarser precipitates such as lead, iron and silver sulphide.

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

Filters metal particulates.

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