Luminaire body: 0.6 mm edged sheet steel White powder coating RAL 9003, surfaces rinsed and phosphor cleaned Parabolic mirror louvre type PAR: Batwing mirror louvre, anodised aluminium, high gloss Darklight system, no disturbing interference colours Parabolic louvres at 75 mm intervals, 2 spring-loaded fasteners each, mounting height: 60 mm, installation height: 40 mm, lamp type: T5, PRUL 2 and PRUL 4 installation kit for suspended ceilings (also grid ceilings) required, available as an accessory, note: cable entry next to the hole for the cable suspension, not in the middle