Additional Details ------------------------------ Product description: Outer Diameter: 3.66 Inches (93 MM) Thread Size: 1-12 UN Length: 7.87 Inches (200 MM) Gasket OD: 2.80 Inches (71 MM) Gasket ID: 2.40 Inches (61 MM) Efficiency 99%: 40 Micron Anti-Drainback Valve: Yes Bypass Valve Setting LR: 29 PSI (2 Bar) Bypass Valve Setting HR: 36 PSI (2.5 Bar) Media Type: Cellulose Type: Full-Flow Style: Spin-On