Acrylic (PMMA) lightguide for superior performance, UV resistance, anti-yellowing, and lumen maintenance. Ultra slim modern design with smooth uniform lens. Edge-lit design provides impressive visual comfort and uniform illumination. One for one alternative LED solution to fluorescent troffers. Thin profile is ideal for shallow plenum spaces. Up to 47% energy savings and up to 2-1/2 times longer life (compared to traditional fluorescent troffers). Features integral earthquake clips. Fits standard T-bar and narrow grid drop ceilings.