The Carlon SuperBlue BH234R is a heavy-wall, 2-gang old work electrical box designed for high-performance applications in existing walls. Molded from a specially formulated, rigid thermoplastic PVC, this "hard shell" box is engineered to resist flexing and will not crack or break even in extreme environments. It features a large 34 cubic inch capacity, the largest in its class, providing ample space for wire fill. The box includes integrated mounting ears and swing clamps for secure, fast installation in drywall or masonry applications. It is UL listed and designed to maintain its shape under the toughest conditions

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