Progrow 4200 HB

The PROGROW 4200 HB is Grow Light Science’s high‑bay, full‑cycle LED top‑lighting fixture for commercial rooms and greenhouses. It outputs 4,209 µmol/s PPF and draws 1,582 W at 220–277 V, with layouts engineered to reach up to 2,000 µmol/m²/s PPFD per fixture when installed at height. Designed for array use, it is typically mounted about six feet or more above the canopy for uniform coverage. Features include dual RJ12 ports for external control (0–10 V), compatibility with GLS dimmer and command controller, GLS HI‑RED spectrum, DLC listing, ETL certification to UL 8800, and a five‑year warranty. The chassis measures 44.7 x 33.8 x 2.8 inches and weighs 20.9 lb. GrowFlux lists PROGROW 4200 HB as compatible with its lighting controllers.