VIAIR 45-Degree Extended Reach Chuck COOLING FAN comes with a check valve

comes with a check valve and is available in 12 or 24-volt

Be sure to check your auxiliary power circuit rating to make sure it supports the max amp draw of the compressor you're using

and hose routing

The 450P-RV EF is compatible with dually tires

Each 280C Dual Performance Value Pack also comes with remote mountable air filter assemblies and mounting hardware

VIAIR 45-Degree Extended Reach Chuck COOLING FAN comes with a check valveFeaturing a dual head chuck, this chuck is great your inner rear tires and a more convenient for conventional inflation. **Only compatible with Viair 400 450 RV, RVS, and RV EF tire inflation guns. **Not for standard portable compressors.