VIAIR Model 10005 is a constant duty cycle 150 PSI onboard air system that is pre-packaged solution that will provide 100% duty cycle 450C air compressor, a 2.5 gallon air tank and components that you will need for installation. Please Note: Use thread sealant for proper installation. Telfon tape is not recommended. Properly sealed, recommended torque for 1/8" is 10-11 ft. lbs. Recommended torque for 1/4" and 3/8" is 16-18 ft. lbs.