Panasonic Panasonic SelectCycler Whole House Ventilation System with Controller, Supply Damper and Wall Switch, 4” Duct, SACG2K-04

Panasonic WhisperControl Preset Countdown and Hourly Timer, manual on/off/light, pre-set countdown timer from 5-60 minutes to operate fan for the selected period of time per hour, white, wall plate included