Product Description Features:can be attached to the rear drinking system or to Profile Design bottle holdersallows installation of 2 standard threaded CO2 mounts per bracketContents:2 x Profile Design CO2 cartridge mounting bracketincl. mounting material Manufacturer: Profile Design LLC 2677 Waiwai Loop Honolulu HI 96819 USA info@profile-design.com Distributor: GROFA Action Sports GmbH Otto-Hahn-Straße 17 65520 Bad Camberg Germany info@grofa.com