Proportional dosing unit with automatic bypass and adjustable connections Proportional powder polyphosphate dispenser or cylinders with adjustable connections (90 ° steps rotation) with exclusive patented internal system that allows automatic + vent bypass only by pressing the “click” button and rotating the dispenser jar. It is the only dispenser that allows a safe, quick, easy and fast replacement of the polyphosphate charge; just a “click”! The brass connections are equipped with nr. 2 swivel shanks. The Click dispenser has an integrated antibacterial-bios system. A cartridge charge of polyphosphates is included.