Junction box type 4X constructed of molded fiberglass polyester. Hinge door with twist latches. Enhanced UV inhibitors protect against outdoor weathering. 10-32 threaded brass inserts are provided for optional inner panel. Captive oil resistant gasket provides a positive seal. Stainless steel butterfly type twist latch door fasteners. Designed for use as instrument enclosures, electric, hydraulic or pneumatic control housings, electrical junction boxes or terminal wiring enclosures. Provides outstanding insulation and protection where equipment may be hosed down or be very wet.