FILTER PAPER CIRCLES WHATMAN GRADE NO.42 5.5CM DIA BOX 100 Rubber Cones with approximate permanent graduations and

with approximate permanent graduations and can be autoclaved

Pyrex® glass

35mm thick sharks tooth comb

Recovery is undertaken by aseptically removing a bead and rolling onto plated medium using an inoculating needle or placing in broth and incubating

neck finish

FILTER PAPER CIRCLES WHATMAN GRADE NO.42 5.5CM DIA BOX 100 Rubber Cones with approximate permanent graduations andQuantitative Grade, Ashless Grade No. Flowrate Retention microns Wet strength Thickness, mm Ash % 42 Highly retentive for fine precipitates Slow 2. 5 Low* 0. 20 0. 01 *Suitable for gravity or low suction filtration. Care must be taken to prevent rupture of the paper.