My dad has a fan timer switch in his bathroom (which also happens to be mounted upside down) : r/mildlyinteresting
Enerlites 15-Amps 120-volt In-wall Countdown Lighting Timer in the Lighting Timers department at Lowes.com
GE Push-Button Countdown Timer Switch, 5-15-30 Minute/1-2-4 Hour, ON/Off, No Neutral Wire Needed, Ideal for Lights, Exhaust Fans, Heaters, Wall Plate Included, Light Switch Timer, Fan Switch, 15318 - Timer Wall Switch -
Amazon.com: Maxxima 1875 Watt 7 Button Countdown Timer Switch - Maximum 60 Minutes Delay, 1/2 HP for Bathroom Exhaust Fans, Indoor Automated Lighting, Featuring LED Indicator Lights, Wall Plate Included - 2 Pack : Tools & Home Improvement
Control bath humidity with a medium-tech digital fan timer | Digitized House
Top 5 Best Bathroom Fan Timer Switches (2023 Review) - Home Inspector Secrets
Leviton 500-Watt 60-Minute In-Wall Digital Timer R62-6161T-1LW - The Home Depot
Bathroom fan timer - highly recommend - YouTube
BN-LINK Countdown Digital in-Wall Timer Switch with Push Button 5-15-30-60mins, 2-4hours,for Bathroom Fan,in-Wall Light Timer, Neutral Required, Free Wall Plate, White: Amazon.com: Tools & Home Improvement
ENERLITES Countdown Timer Switch for Bathroom Fans / Lights, 1-5-10-15-20-30 Min Settings, Manual Override, Always On Blue LED, Neutral Wire Required, UL Listed, White - Walmart.com
ENERLITES Countdown Timer Switch, Fan Switch Timer, Wall Light Timer Switch, Bathroom Timer Switch, 5 min – 4 hours, Night Light LED Indicator, Neutral Wire Required, UL Listed, HET06-I, Ivory: Amazon.com: Tools
Top Greener ENERLITES Countdown Timer Switch, For Bathroom Light and Fan, 5 Min - 4 Hours, White, 3 Pack in the Light Switches department at Lowes.com
Leviton LTB15-1LZ Timer Decora Preset 2-5-10-15 Minutes Countdown Timer - 120VAC, 1800W Incandescent, Fluorescent and Motor Load single pole or 3-Way
Bathroom Fan Auto Shut Off 1/2/4/8 Hour Preset Countdown Wall Switch Timer - White (1): Amazon.com: Tools & Home Improvement
4-Hour Countdown Timer Switch (No Neutral) EN | TOPGREENER