Oil/Hydraulic Filter Filter Design Spin-On Thread Size - Automotive Filters M20 x 1.5 mm Length 2 7/8 in Outside Dia 3 in Micron Rating 9.8 micron Includes 8PSID By-Pass Valve Anti-Drainback Valve I. Gasket Fluid Type - Automotive Filters Oil/Hydraulic Description/Special Features Full-Flow Lube or Hydraulic Spin-on