Napoleon's flexible compressed aluminum liner is a highly reliable product that provides safe and efficient venting for a gas heating appliance. A number of additional pieces make it possible to adjust the shape of this liner for unusual needs, and this reducer allows for the reduction of the pipe size from four to three inches. Rather than coming up with a creative but inefficient and possibly unsafe solution to this unique circumstance, install this reducer from Napoleon for the best possible results.
- 4" to 3" reducer
- For use with Napoleon's Flexible Compressed Aluminum Gas Liner