Hydraulic Filter, Fluid Type Hydraulic, Filter Design Element Only, Length 8 1/8 in, Outside Dia. 3 7/32 in, Micron Rating 18, Description/Special Features Maximum Performance Glass Hydraulic Element, Height 8 1/8 in, Width 3 7/32 in, Inside Dia. 1 7/16 in, Includes O-Ring Attached