Description Exhaust Valve, NPT Port 1/8 Inch, Coefficient of Volume 0.195, Maximum Operating Pressure 125 PSI, Maximum Temperature Range 32-160 Degrees Fahrenheit, Length 1.5 Inches, Height 1.5 Inches, Width 1.7 InchesFREE SHIPPING TO THE 48 STATESBe sure to add me to your favorites list!Check out my other items!Sign up for PayPal; the fast, easy, and secure way to pay online. Powered by eCRATER . List your items fast and easy and manage your active items.