For a healthy space and healthy living, clean indoor air is essential for your family. As a bathroom ventilation fan needn’t call attention to itself, especially when we don’t want it to overpower the design of our bathroom or powder room. More important, it shouldn’t call attention to itself when it’s working. So Akicon bathroom fans superior ventilation power that quickly removes contaminated air and moisture from your home while operating at ultra-quiet audio levels so low you’ll barely know it’s on. Peaceful moments can be enjoyed even more with ventilation from a ultra-quiet, Akicon bathroom fan. It's the ideal solution for any room that benefits from ventilation. Akicon for your life. Ultra Quiet 70CFM, 0.5sone. Mounting opening : 9.00'' x 9.00'', Height : 8.00'', 4'' Duct diameter. Low profile grille assembly, Efficiently ventilating for bathroom space up to 70 sq-ft. cUL listed for over tub & shower with GFCI circuit; HVI certified; Energy Star compliant Recommended for professional installation. Akicon Ceiling Mounted Bathroom Exhaust Fans Ultra Quiet Ventilation Fans Crescent 70 CFM 0.5 Sone Energy Star Rated and HVI Certified Enjoy the quiet in comfort! This high-quality fan is so quiet you’ll barely know it’s on. This HVI certified and Energy Star compliant qualified unit operates on 0.5 Sones at 70 CFM in bathrooms up to 70-square feet. This fan is designed with a 4" ducting system and is motor engineered for continuous operation, so you don't have to worry about turning it on every day. Read more UL Listed HVI Certified Energy Star Read more