Buy Nutone QTRN080 Ultra Silent Bath Fan White Grille 80 CFM

Amazon: Customer Reviews: Nutone QTRN080 Ultra Silent Bath Fan 4 stars. "Try" If you look at the design of this unit, there is little chance of vibration as it is only a spinning motor. My guess is that you didn't install it

Nutone QTRN080 Fans and Fan/Light Nearly Silent Operation 1.0 Sones 80 CFM 4" Ducting Motor Engineered for Continuous Operation UL Listed for Use Over Tub/Shower with GFCI Circuit Grille Dimension: 13" X 14" Available In Project Packs Housing Dimension: 10-1/2" X 11-3/8" X 7-5/8" Hanger Bars Sold Separately Type IC