PC Racing PC139 Flo Stainless Steel Reusable Oil Filter Fits: Suzuki LT-Z400 QuadSport 03-13, LT-R450 Quadracer 06-13, DR-Z 400 00-11; Kawasaki KFX 400 ATV 05-06, KLX 400 03-04 Made from laser cut, medical grade, 304 stainless steel micronic filter cloth, this filter provides 200 percent more filter area in many cases The Flo stainless filter catches items down to 35 microns, which is about 3 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 This filter maintains 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