The Kleinn Model 6275RT is a heavy-duty, 1.5-gallon steel replacement air tank engineered as a direct fitment for the Kleinn 6275 onboard air system, the ProBlaster HK5 and HK6 train horn kits, and the specialized VELO15, RNGR-102-1, and TJXTREME vehicle-specific systems. Built to handle demanding high-pressure pneumatic setups, this premium tank features a dual-leg mounting design for maximum stability on your vehicle's chassis and comes equipped with five 1/4" NPT ports to ensure clean plumbing, flexible accessory routing, and an easy-access moisture drain point.