CELLULOSE MATERIAL; AEROSOL AND HYDROSOL UNIT TYPE; 47.0 MM O/A DIA; GRID MARKS NOT INCLUDED; 9.6 SQ CM FILTERING AREA; 0.65 ABSOLUTE FILTRATION RATING IN MICRONS; TIN FILTERING MATERIAL; WHITE ABSORBANT PAD; WHITE COLOR; RIM MOUNTED FEATURE NOT INCLUDED; 100 PER BOX