36" Corridor/Stairway Retrofit, 3750 Lumen Max, Wattage and CCT Selectable, 120-277V YGroup_bestpnl The Keystone 750W five-tap pulse-start

The Keystone 750W five-tap pulse-start metal halide ballast kit from Warehouse-Lighting

brightness

creating a unified lighting effect across the entire property

and the damp location rating means it works in higher-humidity interior spaces where standard fixtures wouldn't be suitable

roadways and many other applications

36" Corridor/Stairway Retrofit, 3750 Lumen Max, Wattage and CCT Selectable, 120-277V YGroup_bestpnl The Keystone 750W five-tap pulse-startLight Efficient Designs' 36" corridor and stairway retrofit delivers exceptional versatility with selectable wattage (10W 30W) and color temperature (3000K 4000K) options. Produces up to 3,750 lumens with superior color rendering (CRI >80) and operates reliably across 4F to 140F. Compatible with 120 277V systems, this DLC and cETLus listed fixture suits linear applications, troffers, vapor tights, low bays, high bays, coves, and soffits. Backed by a