Filter Paper 90 mm Grade 3 Circles, designed for gravimetric analysis and the preparation of samples for instrumental analysis, High purity, for use in a wide range of critical filtration procedures, Wide range of filter grades and diameters, Ashless 0.007% are very pure filters
For cleanroom use. Made with Water-For-Injection (WFI), filtered to 0.2 um, individually double-bagged and gamma-irradiated to ensure sterility. Made according to USP specifications. Packed in a Class 100 cleanroom. Endotoxin and sterility tested. 4/case