The Falcon High Performance Key Valve (HPKV) cartridge is the successor to the original Key-Valve.  This model uses an innovative "bell-valve" promising a much faster flow than previous models, while still preventing odours. For full details, please click here for information and downloads on the manufacturer's website. You can also view the manufacturer's video below.

 

 

 

 

 

 

 

 

 

 

 

 

The Key-Ring dispenses ingredients  that help prevent blockages in the waste pipes. As the contents dissolve with use, the Key-Ring also acts as an indicator of when the cartridge needs changing.