In most cases, such a regulator works in tandem with a hydromassage nozzle. A device for controlling the volume of air entering hydromassage systems for swimming pool attractions.
Air regulator 3VHY071
Air regulator 3VHY071
The Vagner 3VHY071 air regulator is a built-in element placed in the wall of a swimming pool and limiting the air supply to hydromassage systems.