AffiPREP® Pack of 500 f. Very fast qualitative filter paper, 100x300 mm
https://www.affiprep.com/shop/afg-flt-1375-affiprep-r-pack-of-500-f-very-fast-qualitative-filter-paper-100x300-mm-355005
https://www.affiprep.com/web/image/product.template/355005/image_1920?unique=1b95906
CAT# AFG-FLT-1375
Size: 6 x 1 Unit
Whatman Grades: 4
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30-day money-back guarantee
Shipping: 2-3 Business Days