Hydraulic Filter, Filter Design , Hydraulic Element, Micron Rating 9.8, Height 18 1/2 in, Length 18 1/2 in, Width 3 15/16 in, Outside Dia. 3 15/16 in, Inside Dia. 1 19/32 in, Includes (2) Attached Grommet, For Use With Schroeder Hydraulic Systems, Thread Size Not Applicable