Maximum pressure: 125 PSI. Maximum speed: 3,400 RPM. Thread size: 1/4 18 NPTF. V-groove on pump wheel. Aluminum and cast iron construction. Splash lubrication keeps pump running cool. 4 base mounting holes. Oil sight glass for easier maintenance. Listing and template services provided by inkFrog. The item “Replacement Twin Dual 2 Cylinder Air Pump for Air Compressor Unit” is in sale since Saturday, January 11, 2020. This item is in the category “Home & Garden\Tools & Workshop Equipment\Air Tools & Air Compressors\Air Compressors”. The seller is “jabetc” and is located in Banning, California. This item can be shipped worldwide.