WLMX Series Wet Location LED Exit Signs offer long lamp life, energy efficiency and uniform illumination. The water-tight, corrosion-resistant thermoplastic housing is sealed and gasketed to protect the internal electronics from water, dust and corrosive liquids. The WLMX Series is designed with knock-out chevron directional indicators for ultimate installation flexibility and simplified specification. The vibration resistant LED illumination and polycarbonate lens makes this fixture ideal for demanding industrial environments, especially those subject to frequent water spray.