120W Selectable LED Linear High Bay, Ceilings 10 to 25 ftHigh Efficiency Fixture for Your Cold and Impact Risk Locations Up to 164 lumens per watt for low cost lighting. Durable, IK10 rated product to withstand impacts in gym and sport settings. Handles temps down to 13F for moderate cold storage needs. Tool Free Lens Swapping for Easy Adaptation to Aisles and Open Spaces: For Open Areas: Standard 95 lens (included) provides even coverage. For Aisles: Add the 60x110 Optical Lens to focus light on shelved