The Model 6270 air system is the ideal product for powering any Kleinn Air Horn. Higher pressure and higher capacity means a longer, louder blast! This kit has many features that simplify installation and prolong the life of the product. Sealed and moisture/dust resistant compressor bodies make installation on the exterior no problem. the kit also includes a "snorkel system" and check valve to protect the compressor. The air tank has 5 ports and is configured so that no matter how you mount it, there is always a drain port available on the bottom.