For burial of water line valves, sprinkler valves, water meters, etc. Black drop-in plastic reader lid cover with snap-lock tab. Hinged reading door lid is 4-1/2 in. x 7-1/2 in. The Box is 12 in. Deep x 15-1/2 in. Wide x 21 in. long at base. A Pipe slot on each end of box.12 in. rectangular12 in. tall15-1/2 in. long top opening10-1/4 in. wide top opening19-3/8 in. x 14-5/8 in. bottom measurementsCovers cut off valvesCovers water meterSide slot on each end of boxFlush fit reader lidLockable lid