Hayward SPX0540Z1 7-9?16-Inch Diameter Tempered Clear Lens Replacement for Hayward Underwater Lights Tempered clear lens replacement Fits hayward starlite series underwater lights models sp0540, sp0541, sp0542, sp0543, sp0584sl30, sp0583l15 Measures 7-9/1-inch diameter Weighs 12-Pound