This should be the last oil filter you will ever buy! Superior Filtration: Made from laser-cut, medical-grade, 304 stainless steel micronic filter cloth, this filter provides 200% more filter area in many cases. The 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 (F). Consistent flow under all conditions: