4 to 3 inch Duct Reducer for Panasonic Broan-Nutone Hampton Bay Exhaust Fans

I needed one of these while upgrading my bathroom fan and my local HD was out of stock, so I decided to 3D print one.

It came out nice and stronger than OEM. 

Add to cart if you need more than one for combined shipping savings.

Please make sure this item works for your application and ask all questions before buying. All sales final. Thank you.