RFB4-CI-NA Series Four-Compartment Cast-Iron Combination Box
14 1/2'' L x 11 7/8'' W x 3 7/16'' D (368mm x 302mm x 87mm). Fully adjustable with tunnel compartment and two receptacle brackets. Feed through from adjacent or opposite compartments only, (not cross compartments). Communication brackets not included. Note: Only for use in concrete floors. All boxes and activations are sold separately.