WRAS Approved CSA Wastewater Air Release ValveWRAS Certified Introducing the WRAS Approved CSA Wastewater Air Release Valve, available in both Full Bore and Reduced Bore models. Engineered for optimal performance, these valves ensure high air flow and rapid air purge capabilities, making them indispensable for wastewater treatment and irrigation systems. The design features dynamic sealing that is effective from low pressures of 0. 2 bar, along with enhanced anti corrosion protection and easy