Napoleon Starter Collars for Air Cooled Chimney Accessory w46.12 adequate air must be available

adequate air must be available for combustion and ventilation

That includes hardware and instructions

016” 430 Stainless Steel (Size) Inside Diameter 7" Length 18" A 7" B 9" Technical Dimensions

This general-purpose

Oxygen sensor safe

Napoleon Starter Collars for Air Cooled Chimney Accessory w46.12 adequate air must be availableA starter collar helps make attaching your heating appliance to an air cooled chimney simple. You can get the appliance you want and attach it to your preferred style of chimney simply by using this convenient starter collar. Features Allows connection of fireplace to an air cooled chimney For use with Napoleon High Country NZ6000 wood burning fireplaces