Kleinn Automotive Air Horns 6354 Sealed Air SystemAir Horn Compressor Kit Sealed Air System Sealed Air System; 24 Volt; 150 PSI; Heavy Duty; 100 Percent Duty Cycle Sealed Comp.; 3 Gal. Air Tank w Seven NPT 1 4 in. Ports; 120 150 PSI Pressure Switch; SPECIFICATIONS: WARNING CA Proposition 65: Yes WARNING CA Proposition 65 Message: WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more