4 foot Vapor Tight Fixture. Energetic Lighting’s LED Vapor Tight fixture delivers a soft light profile with lumen output of 4000 lumens, while drawing only 40 watts of power. The fully sealed housing can be installed in high humidity areas are locations that receive direct water exposure. This versatile light can be used for general functional lighting, where its rugged construction and long LED lifetime will provide years of maintenance free service. Installation is quick and simple with standard trade size conduit openings at both ends, and quick mounting adapters.