FeaturesHousing formed from impact resistant, UV stabilized, fiberglass reinforced polyester with cold rolled steel enclosed wirewayPoured in place gasketing provides a seal between housing and diffuserCaptive, corrosion resistant cam-action latches secure the diffuser, six on 4 ft units, and ten on 8 ft unitsStainless steel latches availablePainted parts pretreated with a five stage iron phosphate process to ensure superior paint adhesion and corrosion resistance, then finished with a high gloss, baked white enamelHigh impact acrylic diffuser with a stippled interior surface to spread lamp imageIntended for low to medium mounting heights where dust, dirt, humidity or moisture are presentElectronic ballast, =10% total harmonic distortion, instant startListed for 25 deg C ambient temperatureDamp location listedT8 lamp base