Our High Performance Key-Valve, or HPKV, urinal cartridge is the industry leading mechanical or dry replacement cartridge for waterfree urinals.  A result of years of research and testing, it features a new revolutionary design that ensures product longevity is paired with the ultimate in product functionality.  With one of the fastest flow rates in the market, this cartridge is perfect for converting your urinal to waterfree or “almost” waterfree.