https://www.sigmaaldrich.com/US/en/product/aldrich/wha1825047
Whatman glass microfiber filters, Grade GF/F Grade GF/F circles, 47 mm, 100/pk glass fiber filters
Buy and find information on Whatman glass microfiber filters from Sigma-Aldrich.com, product number Z242519
glass microfiber filters
https://www.sigmaaldrich.com/US/en/product/aldrich/wha1820125
Whatman glass microfiber filters, Grade GF/A circles, diam. 125 mm, pack of 100 glass fiber filters
Buy and find information on Whatman glass microfiber filters from Sigma-Aldrich.com, product number Z242179