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”). Designed for air supply/return through side slots and/or heat transfer. Air pattern control blades in side slots must be ordered as an option. Air boots by others. 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. Built in (UL listed) grid clips designed for use with standard 1-1/2 high grid ceiling members. Standard wireway cover is designed to accommodate small can ballasts. Use of emergency ballasts or specification of ballasts other than generic ballasts may require the use of a larger wireway cover. “Deep” wireway cover may be specified when ordering. Class P, HPF ballasts comply with E Federal Ballast Law (Public Law 100-357,1988). UL listed for damp locations. Canadian certified optional. Self-contained fluorescent emergency power packs can be incorporated, UL listed for dry locations. Bodine LP series emergency ballasts are recommended for use with the standard wireway cover. DEB series emergency ballasts may be used with the larger wireway cover.