This Commercial Electric ultra quiet bathroom exhaust fan features a round design. This ventilation fan is quiet at 0.8/1.0 Sone, ENERGY STAR qualified 80/110 CFM fan, making it perfect for your medium to large room areas. Ease of installation with the room side design for spaces with no attic access and quick template for drywall applications. Features a unique flex bracket installation system attaching the bath fan securely to the ceiling joists. This bathroom exhaust fan is compatible with most dimmer switches and is equipped with a unique color temperature (CCT) changing technology. Now you can select your color temperature depending on your needs or preferences with the flip of a switch located on the back of the bath fan. Test different color temperatures before installation and never be dissatisfied with CCT again. The color temperature ranges from Warm White (2700K) to Daylight (5000K), with 3 options in between: Soft White (3000K), Neutral White (3500K) and Bright White (4000K) plus night light (220