Description (also searched as 801-0.35-10) The 801-0.35/10 cartridge filter is a nominally rated “801 Premium” filter manufactured by Harmsco Filtration. The filter is 2.75″ in diameter and has a particle retention rating of 0.35 microns . The filter is 10″ in length and has NSF 61 Certified Polyester Cellulose filter media. This filter is a double open end, (DOE) configuration. Filters are bulk packed in cases of 24.
