If you have two bathrooms that are close together and one has an exhaust fan and the other doesn't, you might be wondering if you can tie a new exhaust duct into the existing one. Well, you can't!

Wide application: Exhaust air for HVAC to remove heats & odors ... Note: Please turn the fan off immediately if the blades get stuck by other objects and turn on after clean.

Make sure that the whole muffler is air-tight. Step 7: Place the Duct and Connect The Inline Fan Exhaust We’re almost done. Now, take the duct and place it in between the muffler carefully.