Protect underground irrigation and sprinkler system components and keep them out of sight with the 6 in. Round Standard Series Valve Box and Cover. The durable black access box has a height of 9 in. and is engineered for superior strength with structural reinforcing ribs. Rugged enclosure features a pipe hole for water and irrigation pipe connections. The overlapping cover prevents dirt and debris from entering the valve box. Bayonet twist-lock lid features two finger slots, making it easy to remove or secure onto the box. The markings on the black valve box lid indicate "ICV" to identify irrigation control valve components. Irrigation valve box and cover are made of high-density polyethylene (HDPE) treated with UV inhibitors.