Whatman® 1441-240 Filter Paper Grade No. 41, Quantitative, Ashless, Coarse Retention – 24
$225.95
Whatman® 1441-320 Filter Paper Grade No. 41, Quantitative, Ashless, Coarse Retention – 32
$403.95
Whatman® 1442-185 Filter Paper Grade No. 42, Quantitative, Ashless, Fine Retention – 18.5
$142.02
Whatman® 1442-240 Filter Paper Grade No. 42, Quantitative, Ashless, Fine Retention – 24
$226.95
Whatman® 1442-320 Filter Paper Grade No. 42, Quantitative, Ashless, Fine Retention – 32
$466.95