Rain Bird - PRSDIAL - PRS - Dial Pressure Regulator Swing Check Valve and the faucet's scale relative

and the faucet's scale relative to the sink

It has one 1/2 in

Each port accepts a Xeri-Bug Emitter or PC Module for independent flows from 0

The Felco F9 is designed for left-handed use

Rinnai 223181 Specs:

Rain Bird - PRSDIAL - PRS - Dial Pressure Regulator Swing Check Valve and the faucet's scale relativeThe PRS Dial is an excellent means of regulating outlet pressure at the valve regardless of incoming pressure fluctuations. The visible scale makes adjustment quick and easy. The regulator fits all Rain Bird PGA, PEB, PESB, PESB R, GB R, EFB CP R, BPE and BPES series valves Features Include: Improved spike reduction capabilities reduce water hammer. Valve pressure regulator Ergonomic design with snap tight cover to prevent vandalism. Waterproof dial