Enerlites 15-Amps 120-volt In-wall Countdown Indoor Lighting Timer in the Lighting Timers department at Lowes.com
Ventilation Timer, - Penn Care, Inc.
Timer Extractor Ventilator | Air Exhaust Ventilation | Smart Ventilation | Duct Extractor - Exhaust Fan - Aliexpress
Panasonic FV-WCD01-SINGLE Whisper Control Preset Countdown and Hourly Timer On/Off Wall Control White Ventilation Accessories and Parts Exhaust Fan - Yahoo Shopping
VB20W 20-Minute Push Button Timer
Electronic Timer for Heating & Ventilation Control | Vent-Axia
Panasonic FV-WCPT1-W SmartExhaust Programmable Fan/Light Switch - Toggle Switch Designed with Timer and Wall Control - White - Amazon.com
Master Flow 12 Hour Timer for Whole House Fans WHT36 - The Home Depot
150mm Extractor Fan Humidistat | Humidity Sensor Bathroom Exhaust Fan - 220v 6 Inch - Aliexpress