For wet locations, mid bay applications, the HBL3 pattern spreads over a 40’ diameter area at a height of 20’. This lens offers 360 Degree coverage and are best suited for open area and aisleway coverage in high bay applications. This is a multi-cell, multi-tier Fresnel lens offers a high density coverage pattern. Ideal for high ceiling open area and aisleway coverage in high bay applications Multi-cell, multi-tier Fresnel lenses 40’ diameter coverage when mounted at a 20’ height