Aero Pure AP 90H-SL G6 W Slim Fit Bathroom Fan with 13W LED 2700K Light Pad and Humidity Sensor, TrueWhite Finish Slim fit housing fits into 2" x 6" ceiling joists or greater 13W, 2700K led light pad provides warm natural light; integrated humidity sensor Etl/cetl listed for use in shower/tub shower enclosure when used with a gfci circuit breaker Air volume: 90 cfm; noise level: 0.3 sones. Exceeds minimum standards for continuous run Full six (6) year warranty. Must be installed by a licensed professional