The rectangular EZ-Open PZRM 113 valve box with double patent on opening handle and connector hook allows the installer to easily access the solenoid valves and keep the valve box tidy. It can contain up to four 1" solenoid valves model RN 150 and RN 155. Completely made in polypropylene, the 113 model is UNI EN 124 A class 15 certified.