400 Series Inline Oil Filter 09-3437 PFS09-3437 -10 Wiggins, 75 Micron Filter Without Bypass, 7" x 2.5" OIL / FUEL FILTER 75 MICRON Peterson's 400 series filters provide the best filtering available for fuel or oil. Features include anodised billet aluminium body and end caps for durability and resistance to fluid corrosion., stainless steel mesh screen and a pleated element for high flow.