HPS 600 Watt Grow Light Bulb E39 1150μmol Ultra PPF 20% to 40% PAR Increases Concentrate on RED Spectrum 90000 Lumens High Pressure Sodium 2-Pack

【HIGH YIELD】: 1150μmol/s industry high, give 10% more PPF to the grow. Yield greater. 90000 lumens superior brightness performance.
【BIGGER BUDS】: At least 20%, up to 40% more PAR focus on RED to improve light utilization for photosynthesis designated for blooming bigger buds on flowering stage.
【Compatibility】: Compatible with electronic and magnetic ballast, E39 base.
【Long Life】: Over 28,000 hours total life time, premium 90% output maintenance for 6000 hours efficient grow, quality guaranteed.
【Warm Up Time】: Allow 5 mins for full bright; Wait at least 7 mins before striking again after use.