FILTER PAPER CIRCLES WHATMAN GRADE NO.6 7CM DIA BOX 100 Nasco Whirl Pak Bags confirmation beep (unless tip is

confirmation beep (unless tip is pressed in rapid succession) and felt tip pen with water-based

Membrane switch setting with 3 digit LED display

Certified DNase- and RNase- free (forensic swabs are additionally certified free from Human DNA)

Includes a manganese activated

FILTER PAPER CIRCLES WHATMAN GRADE NO.6 7CM DIA BOX 100 Nasco Whirl Pak Bags confirmation beep (unless tip isQualitative Grade Grade No. Flowrate Retention microns Wet strength Thickness, mm Ash % 6 Faster than No. 5 but almost as high retention Slow 3 Low* 0. 18 0. 20 *Suitable for gravity or low suction filtration. Care must be taken to prevent rupture of paper.