Connection kit for iTap for carbonation and bottling if you already have iTap, keg for ball couplings, regulator with 3/8" female and sodastream carbonation cartridge. Contains all couplings, adapters and tubing needed (tube comes in a full length that can be cut to suitable lengths ). Includes a PET adapter with quick connection so you can easily connect and disconnect the gas.See picture for connection and installation instructions.NOTE! Does not include iTap, keg for ball lock, regulator with 3/8" female or sodastream carbonation cartridge.