MB-12 Polyethylene Water Meter Box Approximate Measurements 24 1/4" x 12 3/4" x 12" Proven Service The especially formulated material used in the NEW MB-12 meter boxes have been tested and proven in service by water and gas industries. The NEW MB-12 meter box has all the same characteristics as the MB-2 but with a depth of 12" this box was engineered for communities with a shallow frost line or sandy areas. The superiority of the NEW MB-12 meter box offers industry a tremendous economy through a longer life. Proven Processing Our structural foam molding process allows our parts to have a cellular foamed core surrounded by integral skins. The process gives our products high strength-to-weight ratio making it have greater rigidity than solid parts of the same material and of equal weight. Item #55