160W Selectable LED Linear High Bay, Ceilings 10 to 30 ftSuperior Efficiency for Your Cold and Impact Prone Locations 162 lumens per watt for low cost lighting. Suitable for cold storage down to 13F. Withstand gym and sport impacts with IK10 rating. 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 product. For Extra Visual Comfort: Add the frosted