Qualitative Filter Papers-Grade 5: 2.5μm

Cellulose extraction thimbles are produced from high-quality alpha cellulose cotton
linter and have excellent mechanical strength and retention.
Standard single thickness thimbles have a wall thickness of approximately 1 mm
(10.0 μm nominal particle retention).

Grade 93: 10 μm*
This filter paper is intermediate in speed and retention between Grades 1 and 4.

Available in a dispenser pack, which can be attached to the wall or bench, placed on a
shelf either upright or flat, and used as a normal carton or as a convenient dispenser.

The envelopes are released individually for easy one-at-a-time removal.

Package and envelopes are clearly marked for size and content.