True North 4" Outside Air Adapter for TN20 and TN25C Wood Burning Stove h35.6 It works as an air

It works as an air purifier

7 flame theme options: blue

Product Code Part No Size 823035 3UPP-F6 3-Inch (1/12 to 6/12) 823036 3UPP-F12 3-Inch (6/12 to 12/12) 824035 4UPP-F6 4-Inch (1/12 to 6/12) 824036 4UPP-F12 4-Inch (6/12 to 12/12)

1/2" inlet x 1/2" outlet

True North 4" Outside Air Adapter for TN20 and TN25C Wood Burning Stove h35.6 It works as an airThis adapter is meant to help bring in fresh, outside air for the sake of combustion and is specifically designed to work with the wood burning stoves. What's Included Outside Air Adapter Features 4" outside air adapter This adapter to be used with TN20 and TN25c stoves Specifically designed for True North wood stove Helps to bring in fresh outdoor air for combustion