California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. Vacuum Relief Valve, Application Low Pressure Tanks, Steam Vessels, Vacuum Equipment, Body Material Stainless Steel, Cracking Pressure - Maximum 13.3 psi, Cracking Pressure - Minimum 0 in Hg, Flow Rate - Maximum 5 cfm, Inlet Port Connection Gender Male, Inlet Port Connection Size 3/8 in, Inlet Port Connection Type NPT, Operating Pressure - Maximum 13.3 psi, Operating Temperature - Maximum 400 Degrees F, Operating Temperature - Minimum -20 Degrees F, Relief Type Proportional Relief