CMB 03 RT Traffic Box

The Oldcastle® CMB 03 RT round concrete traffic enclosure is a 12-inch tall by 12-1/2-inch diameter solution, featuring a durable cast iron ring and lid marked “GROUND.” Designed for H-20 traffic applications when properly installed in reinforced concrete, this enclosure is ideal for utility access. Available in depths ranging from 6 inches to 10 feet, it offers flexibility for various project needs. Standard lid styles and lettering options include Water, Sewer, Electric, Ground, Clean Out, Special, and Anode, with plain (no lettering) also available. Constructed from uncoated cast gray iron meeting ASTM A48 CL30 or better, this enclosure is a reliable choice for non-traffic applications. Please note: Oldcastle® concrete boxes and concrete meter box cover components are manufactured in the USA. However, all Oldcastle® cast iron components are imported.

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