This listing features a 4-pack of Lithonia Lighting Contractor Select STAKS 2 ft. x 2 ft. integrated LED troffer light fixtures, model number 270PUL. Designed for quick and flexible commercial or residential installations, these high-efficiency recessed ceiling lay-in fixtures feature switchable color temperatures (3500K, 4000K, and 5000K) and adjustable lumen outputs (3000, 4000, and 5000 lumens) to fit your exact lighting preference. A shallow profile depth of less than two inches makes them an optimal choice for standard T-grid ceiling systems with restricted plenum spaces. Please note that these units are in used, fair condition and are sold as part of a mixed lot pallet bundle. Each fixture operates on multi-volt 120-277V systems and supports 0-10V dimming