Fuel Filter Filter Fuel Type Biodiesel Diesel Filter Design Spin-On Fuel/Water Separator with Open Port for Bowl Micron Rating 25 micron Height 7 13/32 in Length 7 13/32 in Width 3 3/4 in Outside Dia 3 3/4 in Includes (2) F. Gaskets O-Ring For Use With 1998-2002 Isuzu FSR Trucks Filter Material Metal/Paper Gasket Material Rubber Thread Size 1 In.-12