Carlon Lamson & Sessons E989NNJ-CAR 4" X 4" X 2" Molded Nonmetallic Junction Box 4" x 4" x 2" PVC thermoplastic molding compound and featuring gasket lids attached with stainless steel screws Offers corrosion resistance and physical properties needed for direct burial applications Intended for indoor or outdoor use, to provide a degree of protection against contact&nbsp; With enclosed equipment, falling dirt, hose directed water, entry of water during prolonged submer