11w cob led natural white fire rated dimmable downlight matt white ip65 800lm the tierra 800 cob dimmable fire rated downlight is the ideal choice for both function and style combining high light output up to 800 lumens energy efficiency and long life expectancy these fittings are available in a choice of colours and finishes and come complete with a dimmable driver compatible with most dimming systems they can be fitted as a trimless downlight if used in conjunction with 85544 trimless acce