New 6 port 3 gallon Air Tank (12 Liter) kit. Made to hold up to a 200 psi air pressure. For high pressure air horns systems that require an on-board air system. Made from heavy gauge steel for outdoor use. Compact design and weight. Comes as a kit, ready to install. With 0-to-240 PSI air gauge, 170/200 PSI air pressure switch, compression fittings for 1/4 O.D air hose, 1/8 male brass plug, 8 feet 1/4 air hose, safety air release valve, Teflon tape sealer, and Mounting Hardware.