4pcs Timer Switch Knob Compatible with Intermati-c, Timer Knob 146MT574 Replacement for FD Series Spring Wound Timers for Wall Timer Bathroom Fan Motor Heater Light
【PUSH-ON KNOB DESIGN】Timer switch knob with push-on knob design, install in one minute (Note: the hole on the back is "D" shaped, and the D-shaped shaft is 3/16 inch).
【EASY TO INSTALL】Easy to install, easily to replace the broken dials rather than replacing the entire electrical unit (very expensive), turn the timer switch knob on and it will give you a new experience.
【MATERIAL AND PACKAGE】Made of more durable fire resistant plastic material, stronger. Size about 2.8x1.2cm/1.1x0.47inch, you will get 4pcs in a package, enough for daily needs
【UNIVERSAL FIT】 Apply to timer light, woods brand wall timer, whole house fan, attic fan timer, bathroom exhaust fan control knob, bathroom fan or heating fan timer etc.