Arlen Ness combines clean sculpted billet styling with high tech filter technology used in Formula 1, Nascar, and the aerospace industry Oil filter element is made from laser cut 304 stainless steel medical grade micronic cloth Catches items down to 35 microns, which is about three times better than most premium traditional oil filters Filters maintain consistent flow under all conditions including extreme heat, presence of water, and cold startups Simple filter cleaning and service