Check the listing for details. Toro Ag Omnireg Adjustable Pressure Regulator. Condition: New. Listed at 60.37 USD. Using the Omnireg pressure regulator with compatible Irritrol valves allows the user to precisely set and maintain the exact downstream pressure required for any application. Adjustable by simply turning the easy to use dial to the desired setting. One gallon per minute (1 GPM) is the minimum flow required to operate this regulator. The Omnireg is compatible with all heavy-duty commercial 100 Series (Century PLUS), 700 Series (UltraFlow), 200B and 311A Series valves by Irritrol. Features: Maintains constant downstream pressure at widely varying inlet pressuresInlet pressure must be at least 10 PSI more than outlet pressureRequires only 1 GPM to operate making it ideal for low flow applicationsDrop-in installation is fast and easy, only two screws to secureSchrader valve test portManufactured of heavy-duty, corrosion-resistant glass-filled nylonStainless steel and brass hardware