Sartorius FT-3-127-047 Purple Dot Quantitative Filter Paper Discs / Grade 393, 47 mm, 100 pc/PAK

These 47 mm diameter very slow filtering, purple dot filter paper discs are used for quantitative & gravimetric analyses as well as for pressure or vacuum filtration. They are made out of 100 % cotton linters with an α-cellulose content of > 98 % and are acid-washed to make the papers ashless and achieve high purity. Also, check out the Advantec 49005020 Other Filters PAPER DISK 8MM 1000/PK