D/BLUE/H Polyphosphate Doser

D/BLUE/H Polyphosphate Doser

D / BLUE / H Proportional dosing units with by-pass and adjustable connections with fixed shanks Proportional powder polyphosphate or cylindrical dosing units with adjustable connections (90 ° steps rotation), built-in faucet by-pass on the head in chromed brass, brass retaining ring, front vent screw. The “H” version is equipped with fixed connections with Bios antibacterial system. A cartridge charge of polyphosphates is included.