Whatman Grade 4 Qualitative Filter Paper Standard Whatman Grade, circle, 27 mm, 400/pk-CYTIVA 1004-027

Useful in qualitative analytical separations when fast flow is required and the collection of fine particles is not critical. These cellulose filters are used in qualitative analytical techniques to determine and identify materials (e.g., in air pollution monitoring). Whatman Grade 4 Qualitative Filter Papers are standard grade high flow rate cellulose filter papers for fast filtration.