POLYPRO™ type 4X enclosure, Non-glass-filled polyester, Solid cover, Provides excellent chemical resistance to a broad range of solvents, alkalis and acids, Recyclable, Overlapping tongue-and-groove raised cover and gasket provide a secure type 4X seal, Molded-in embosses for rear panel mounting, Standard models include body and cover, two mounting feet, two latch assemblies with optional cover screws and hardware, RAL 7035 light-grey textured finish inside and out, Enclosures perform exceptionally well in applications where harsh chemicals, weather extremes and corrosive environments demand toughness from a lightweight enclosure, Excellent ultraviolet protection.