Get your semi Ready for the Road Ahead™ with ample storage space for compressed air, with the Power Products 9.5" HT-9500 Style Frown Shaped Bracket Above Air Tank 6.44-Gallon. This solid-steel tank stores compressed air that can be used to actuate a vehicle's air brakes, improve suspension, or operate air-powered attachments. Engineered with an automatic drain valve controlled by a pressure switch. FleetPride is your First Click in Heavy Duty®.