Hydraulic Filter, Filter Design , Hydraulic Element, Micron Rating 20, Height 9 5/8 in, Length 9 5/8 in, Width 2 7/8 in, Outside Dia. 2 7/8 in, Inside Dia. 1 in, Includes O-Ring, Spring Reinforced Centertube, For Use With Tamrock Drills, Thread Size Not Applicable