7.5-Inch White Mushroom Glass Shade - 5-7/8-Inch Fitter Opening Looking for a replacement glass shade that will fit your modern or traditional bedroom, living room, kitchen or dining room? This offering from Satco Lighting is suitable for most room color palettes, thanks to its neutral and sleek white tones. This dome-shaped shade is 7.5-inches wide and around 3 5/8-inches high. Fitter size is 5 7/8-inches. 3.62 in. Satco Lighting 7.5-Inch White Mushroom Glass Shade - 5-7/8-Inch Fitter Opening Lamp - 3.62 In.