M-Hybrid Technical Ceiling recessed constructed from a hybrid steel body with extruded low copper aluminum flange. Designed to fit 4" or 6" Technical Ceiling system. Lamping options include T5, T5H0 and T8 fluorescent or LED. Impact resistant lens protects against dust, ensures high luminaire efficiency and allows tool-less access to optical chamber. Satine or opal acrylic snap-in lenses provide exceptional uniformity.