Amazon.com: Thin-Lite D766 Fluorescent Light Lens : …
Make sure this fits by entering your model number. Shape: Rectangular. Color: Clear. Material: Acrylic. Designed for shallow ceilings. Engineered for RV (recreational vehicle), solar, police and emergency, trailer, and mobile office lighting applications. Overall Dimensions-21.825 X 7.3 X 1.75 inches. Recessed Dimensions-18.125 X 4.75 X 1 inches.
DA: 79 PA: 79 MOZ Rank: 87