6ft 70w t8 hf emergency twin fluorescent grey ip65 the t8 anti corrosive fluorescent ceiling light is an ip65 rated high frequency polycarbonate weatherproof fitting the t8 anti corrosive is suitable for situations where impact resistance is significant the t8 anti corrosive is available with or without an emergency maintained pack this product has an ip65 rating which means it has been designed to resist dust and water