- Experience effective ventilation with this exceptionally quiet bathroom fan (1.5 sones) that delivers strong air movement at 70 CFM, ideal for bathrooms up to 75 square feet. Perfect for smaller spaces needing efficient airflow. Note: Requires 3-inch ducting. - Constructed with a low-profile white ABS plastic grill cover and durable galvanized steel housing, this fan is designed to resist corrosion. Housing dimensions are 7.5 inches x 7.25 inches x 4 inches, with a ceiling mounting opening of 7.6 inches x 7.3 inches. - Enjoy reliable performance with an efficient motor that operates for at least 25,000 hours. The fan features built-in thermal protection, automatically shutting off the unit when it reaches high temperatures. This safeguards against overheating and minimizes fire risks associated with extended high-temperature use. - Installation is straightforward with a no-cut housing design, allowing for easy replacement of most standard small bathroom fans without attic access. All installation can be completed from the room ceiling side, ensuring a hassle-free setup. Use Cases: 1. Perfect for updating older bathroom fans, enhancing both functionality and aesthetics without extensive renovation. 2. Ideal for small powder rooms or guest bathrooms where effective ventilation is necessary but space is limited. 3. Great for installation in laundry rooms or utility spaces that require quiet operation without sacrificing performance.