HTF1498 Features: Bathroom fan Durable, waterproof ABS plastic housing Powerful air movement in a low-noise design Energy Star rated UL listed for over shower / tub enclosure with CFGI circuit For rooms up to 65 sq. feet 70 CFM 0.6 Sones Required opening: 10.625'' x 9.375'' Cover size: 14.75'' x 14.75'' Duct size: 4'' For rooms up to 84 sq. feet 90CFM 0.9 Sones Required opening: 10.625'' x 9.375'' Cover size: 14.75'' x 14.75'' Duct size: 4'' For rooms up to 100 sq. feet 110CFM 1.3 Sones Required opening: 10.625'' x 9.375'' Cover size: 14.75'' x 14.75'' Duct size: 4'' 140CFM For rooms up to 125 sq. feet 1.5 Sones Required opening: 10.625'' x 9.375'' Cover size: 14.75'' x 14.75'' Duct size: 4'' Options: Various size options available Color/Finish: White finish Dimensions: Housing size: 7.875'' H x 10.625'' W x 9.375'' L Housing size: 7.875'' H x 10.625'' W x 9.375'' L Housing size: 7.875'' H x 10.625'' W x 9.375'' L Housing size: 7.875'' H x 10.625'' W x 9.375'' L Warranty: Manufacturer 5-year limited warranty