Fire rated EECO LOW ENERGY Fire rared downlight,designed to take ONLY COMPACT LOW ENERGY FLUORESCENT GU10 LAMPS ( NOT INCLUDED,SEE SEPERATE LISTING ). Contributes to the fire resistance performance of a fire rated ceiling/floor construction for up to 90 mins. In-Built protection against the spread of fire and noise pollution. Maintains fire integrity performance without fire hood. As simple to fit as a conventional downlighter. Hole cut out = 75mm Rim Diameter = 92mm Length = 133mm Cast aluminium Twist and lock lampholder Tested and assessed to BS 476:PARTS 21,22 & 23. Part "E" compliant - acoustics Part "L" compliant