Napoleon Flexible Aluminum Air Vent Accessory w14.3 Gas controls are conveniently hidden

Gas controls are conveniently hidden in the fireplace floor

Super-Efficient

Optional black steel surround comes in the box

36" and 42" include SkyTech’s 3 in 1 valve (A manual valve that is convertible to remote capable) and Dexen Millivolt Valve

Covers 45" W x 41" H

Napoleon Flexible Aluminum Air Vent Accessory w14.3 Gas controls are conveniently hiddenThese 10 Feet x 8 Inch flexible aluminum liners allow you to disperse heat all over your house while at the same time giving the fireplace great stability and durability. It is easier and faster to install. This Napoleon Flexible Aluminum Air Vent is compatible with wood burning fireplaces. Features For Central Heating Systems 10 Feet x 8 Inch Flexible Aluminum Air Vent For use with High Country wood burning fireplaces