Orbit® 53017 Sandstone Rock Valve Box Cover fits Up To 4 Anti-Siphon ValvesThe sandstone rock valve box cover is an attractive alternative to the standard valve box. It is made with weather resistant materials designed to protect valves from damage due to sunlight and weather. It accommodates up to 4 anti siphon valves and fits easily over most 20 In. rectangular valve boxes. Attractive alternative to standard valve boxes Protects valves from damage due to sunlight or weather Made with weather resistant material Fits up to 4