4" Round Plug, mill
4" Mill Plug
These small round plugs are made of Aluminum.
They are easy to install. They fit into the hole made by a drill-type hole saw and are held in place by knobs on the side of the vent. No nails or screws are needed.
Made in the USA.
Orders placed by 3 pm MDT will ship the next business day.
Please see our shipping policy for large orders or expedited shipping.