The LRK-TRH is a commercial-grade low profile LED retrofit Kit for renovating standard 1x4, 2x2 and 2x4 fluorescent troffers and parabolic luminaires. The TRH provides instant energy savings and increased aesthetic appeal with a single shallow semi-round lens. It’s clean design and simple installation process makes the LRK-TRH an ideal solution for use with indoor applications where low-glare, high-quality and ease of installation are required. Metric and custom sizes available (consult factory).