PC Racing Reusable Oil Filter For Victory / Indian Features: Made from laser cut, medical grade, 304 stainless steel micronic filter cloth, this filter provides 200 more filter area in many cases Stainless filter catches items down to 35 microns, which is about three times better than most good paper or brass filters Unlike glued paper filters, the FLO Oil Filter pleat seam is welded and able to withstand up to 600 degrees Filters maintain consistent flow under all conditions including extreme heat, the presence of water and cold start ups where paper filters can flow so poorly that they often cause the bypass valve to open and allow unfiltered oil to enter your engine Anti-drain back valves are not required for this filter Should be the last filter an owner ever needs this high tech filter technology is widely used in all types of auto racing including Nascar, Indy Type cars, Formula 1 and in the Aerospace industry where filtration is of the utmost importance Clean the element, spring and housing with solvent, kerosene, contact/brake cleaner or any degreasing agent, even common dish soap and water