XP1000 / XPT Pre Filter Kit by DesertcraftThe Pre Filter kit includes high flow oversized outlet dry element Desertcraft filters. The filters we choose are 94% efficient which compares to gauze or foam elements but do not need to be oiled to achieve that efficiency. They are reusable and are easily serviced by tapping out the lose dirt and washing them with soapy water. The kit includes all of the thin wall aluminum adapters, seals and hardware for a complete install. The kit includes filters