Fritted Discs
Individual fritted discs for the fabrication of special apparatus or as a separate filtering device. Three porosities are available: extra coarse (EC), nominal pore size 170-220 microns; coarse (C), nominal pore size 40-60 microns; and medium (M), nominal pore size 10-15 microns. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.