The PHL is a 19,500 lumen LED flat panel designed for high mounting height areas that require high lumen output with low glare. Built to deliver unrivaled performance and durability, this high output LED flat panel delivers up to 19,500 lumens at 130 lumens per watt. A distinctive pattern covers the polycarbonate diffuser to evenly distribute over 19,000 lumens. An edge lit fixture, the PHL has a unified glare rating under 15 (UGR < 15). Far exceeding DLC 5.1 UGR Requirements. The PHL flat panel delivers highbay performance, with troffer level comfort.