Filter Papers, Qualitative

Brand	Diameter/cm	Std/Pack
Filter Paper, No. 40, 8µm, Quantitative, Ashless (Medium flow & retention rate)
Whatman	4.25	100
Whatman	4.7	100
Whatman	5.5	100
Whatman	7.0	100
Whatman	9.0	100
Whatman	11.0	100
Whatman	12.5	100
Whatman	15.0	100
Whatman	18.5	100
Whatman	24.0	100
Whatman	32.0	100

Filter Paper, No. 41, 20-25µm, Quantitative, Ashless (Fastest flow, For coarse retention)
Whatman	4.25	100
Whatman	4.7	100
Whatman	5.5	100
Whatman	7.0	100
Whatman	9.0	100
Whatman	11.0	100
Whatman	12.5	100
Whatman	15.0	100
Whatman	18.5	100
Whatman	24.0	100
Whatman	32.0	100

Filter Paper, No. 42, 2.5µm, Quantitative, Ashless (Finest particle retention)
Whatman	4.25	100
Whatman	4.7	100
Whatman	5.5	100
Whatman	7.0	100
Whatman	9.0	100
Whatman	11.0	100
Whatman	12.5	100
Whatman	15.0	100
Whatman	18.5	100
Whatman	24.0	100
Whatman	32.0	100

Filter Papers 4

Brand	Diameter/cm	Std/Pack
Filter Paper, No. 1a, Qualitative, Medium Flow, General Purpose
Ross	7.0	100
Ross	9.0	100
Ross	11.0	100
Ross	12.5	100
Ross	15.0	100
Ross	18.5	100
Ross	24.0	100

Filter Paper, No. 4a, Qualitative, Fast Flow, General Purpose
Ross	7.0	100
Ross	9.0	100
Ross	11.0	100
Ross	12.5	100
Ross	15.0	100
Ross	18.5	100
Ross	24.0	100

Filter Paper, No. 5a, Qualitative, Slow Flow, General Purpose
Ross	7.0	100
Ross	9.0	100
Ross	11.0	100
Ross	12.5	100
Ross	15.0	100
Ross	18.5	100
Ross	24.0	100

Filter Paper, No. 6a, Qualitative, Slow Flow, General Purpose
Ross	7.0	100
Ross	9.0	100
Ross	11.0	100
Ross	12.5	100
Ross	15.0	100
Ross	18.5	100
Ross	24.0	100

Filter Paper, No. 93a, Student Grade, General Purpose
Ross	9.0	100
Ross	11.0	100
Ross	12.5	100
Ross	15.0	100

Brand	Diameter/cm	Std/Pack
Filter Paper, No. 6, 3µm, Qualitative (Twice as fast as No.5 with similar retention)
Whatman	4.25	100
Whatman	7.0	100
Whatman	9.0	100
Whatman	11.0	100
Whatman	12.5	100
Whatman	15.0	100

Filter Paper, No. 91, 10µm, Qualitative, Wet Strengthen (General Application)
Whatman	11.0	4,000
Whatman	12.5	4,000
Whatman	15.0	1,000
Whatman	18.5	1,000
Whatman	24.0	1,000

Filter Paper, No. 93, 10µm, Qualitative, Wet Strengthen (Flow retention between No.1 & No.4)
Whatman	11.0	100
Whatman	12.5	100
Whatman	58 x 58	500
Whatman	61 x 561	500

Filter Paper, No. 113, 30µm, Qualitative, Wet Strengthen (Fastest flow, For coarse retention)
Whatman	9.0	100
Whatman	11.0	100
Whatman	12.5	100
Whatman	15.0	100
Whatman	18.5	100
Whatman	24.0	100
Whatman	32.0	100

Filter Paper, No. 114, 25µm, Qualitative, Wet Strengthen (Half thickness of No.113
Whatman	9.0	100
Whatman	12.5	100
Whatman	15.0	100
Whatman	18.5	100
Whatman	24.0	100
Whatman	40.0	100

Filter Paper, No. 2V, 8µm, Qualitative, Folded/Prepleated (General Application)
Whatman	12.5	100
Whatman	15.0	100
Whatman	18.5	100
Whatman	24.0	100
Whatman	32.0	100
Whatman	40.0	100

Filter Paper, No. 113V, 30µm, Qualitative, Folded/Prepleated (Very thick, Fast flow)
Whatman	12.5	100
Whatman	15.0	100
Whatman	18.5	100
Whatman	24.0	100
Whatman	27.0	100
Whatman	32.0	100
Whatman	50.0	100

Filter Paper, No. 114V, 25µm, Qualitative, Folded/Prepleated (Fast flow, Strong filter)
Whatman	12.5	100
Whatman	15.0	100
Whatman	18.5	100
Whatman	24.0	100
Whatman	32.0	100

Brand	Diameter/cm	Std/Pack
Filter Paper, No. 1, 11µm, Qualitative (General Application)
Whatman	4.25	100
Whatman	4.7	100
Whatman	5.5	100
Whatman	7.0	100
Whatman	9.0	100
Whatman	11.0	100
Whatman	12.5	100
Whatman	15.0	100
Whatman	18.5	100
Whatman	24.0	100
Whatman	27.0	100
Whatman	32.0	100
Whatman	40.0	100
Whatman	50.0	100
Whatman	46 x 57	100

Filter Paper, No. 2, 8µm, Qualitative (Thicker & more retentive than No.1)
Whatman	4.25	100
Whatman	5.50	100
Whatman	7.00	100
Whatman	9.00	100
Whatman	11.0	100
Whatman	12.5	100
Whatman	15.0	100
Whatman	18.5	100
Whatman	24.0	100
Whatman	27.0	100
Whatman	32.0	100
Whatman	46 x 57	100