AffiPREP® sachet of 1000 filters without very slow ashes, 12.7 mm
https://www.affiprep.com/shop/afg-flt-1677-affiprep-r-sachet-of-1000-filters-without-very-slow-ashes-12-7-mm-355300
https://www.affiprep.com/web/image/product.template/355300/image_1920?unique=d31c23b
CAT# AFG-FLT-1677
Size: 4 x 1 Unit
Whatman Grades: 42
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