Pressure Relief Valve, Soft Seat, (M)NPT Inlet (In.) 1/4 in, (F)NPT Outlet (In.) 3/16 in, Preset Setting (PSI) 100 psi, 51 cfm Rated CFM @ Set Pressure, Max. Temp. (F) 400 Degrees F, Brass Body Material, Silicone Seal, Stainless Steel Spring, Brass Seat, Standards ASME Boiler & Pressure Vessel Code Section VIII Division 1, CSA B51 Boiler, Pressure, Vessel, and Pressure Piping Code, Pressurized Tank This product contains a chemical that is regulated under California Proposition 65. Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. -