Diffuser is a Perspex Frosted/Opal. The housing is powder coated high quality steel, and a recessing frame is required.
Tool-free lamp change and the control unit is trouble free parallel drive, for any number of lamps.
Pi - Quadrat Trimless [L3682100] -- 200 mm / 7 7/8" - 1x18w - T4 Compact Fluorescent
Pi - Quadrat Trimless [L3682200] -- 200 mm / 7 7/8" - 1x18w - T4 Compact Fluorescent - 1-10V Dimmable
Pi - Quadrat Trimless [L3682300] -- 200 mm / 7 7/8" - 1x18w - T4 Compact Fluorescent - Dali Dimmable