The Robus Harbour range of LED battens feature a non corrosive casing made from polycarbonate (IK08 impact rating) and can be used in locations that have temperature ranges from -20C to 40C. The massive 50000 hour average lamp life is backed up by a 5 year guarantee period which begins at the point of dispatch. This 2 foot fitting is ideal for commercial outdoor and indoor spaces. Replaces 2x18W Fluorescent fittings.