Paralouver recessed low-brightness troffer for most ceilings: Grid inverted T (NEMA “G”). Flange-type for concealed mechanical suspension (NEMA “F”). Modular and “Z” spline (NEMA “M/Z”). Screw Slot; with louvers at ceiling plane (NEMA“SS”). Designed for air supply/return through side slots and/or heat transfer. Excellent visual comfort and inconspicuous appearance. Housing is multi-stage phosphate treated for maximum corrosion resistance and finish coat is high reflectance baked white enamel. Flat black finish inside perimeter reveal for “floating door” appearance. T bar grid clips (UL listed) built into fixture end plates, no extra parts required. UL listed for damp locations. Canadian certified optional. Self-contained fluorescent emergency power packs can be incorporated, UL listed for dry locations.