Description
Morrison Bros. 18 in. 318 Series Manhole with “TANK MONITOR” on Cover & 18 in. Skirt
Round manhole non-bolted cover with TEST MONITOR cast into cover. Used for access ports in driveways where limited access and/or watertight conditions are not required. Meets H-20 load requirements. Size = 18 in. diameter x 18 in. skirt length.
