Boost the height of a traditional valve box that sits lower in the ground with the 14 in. X 19 in. Standard Series Green Valve Box Extension and cover. The extension sits on top of an existing valve box to achieve that additional height or can be used alone for shallow installations to protect and conceal valves, control zone kits, and other irrigation system components. Engineered with structural reinforcing ribs, the green extension box and green cover are built to stand up to the elements, pedestrian traffic, lawn care equipment, and potential vandalism. The overlapping lid blocks dirt and debris from entering the valve box to keep the area clean and is marked for Irrigation Control Valve (ICV) use. Convenient slot makes lid easy to lift with a flathead screwdriver. The extension is made of high-density polyethylene (HDPE) using 100% recycled materials; the lid is made of high-density polyethylene (HDPE) using a 83% recycled materials. Both the extension irrigation valve box and lid are treated with UV inhibitors to prevent fading and cracking from sun exposure. NDS is a leading manufacturer of water management solutions and the trusted brand of professional landscape contractors since 1972. NDS products are available at major home centers, retailers, and online. Check out the NDS website or reach out to us for technical support-our friendly, experienced team is here to help make your project a success. Color: Green/Matte.