Air Safety Valve, Hard Seat, (M)NPT Inlet (In.) 1/2 in, Preset Setting (PSI) 100 psi, 208 cfm Rated CFM @ Set Pressure, Max. Temp. (F) 400 Degrees F, Stainless Steel Body Material, Steel Seal, Steel Ball, 17-7 SS Spring, Standards ASME/CRN, Air 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. -