Napoleon

4" Inner Diameter - Direct Vent Pipe - Double Wall - Roof Terminal Kit for Flat Roofs

4" Inner Diameter - Direct Vent Pipe - Double Wall - Roof Terminal Kit for 1/12 to 7/12 Pitch

Oakville Glass Fireplace

Woodland 18 Inch Wide 5000 BTU Vent Free Electric Log Set Fireplace Insert

24000 BTU Insert Direct Vent Natural Gas Fireplace with Safety Barrier and Millivolt Ignition from the Inspiration Series

4" Inner Diameter - Direct Vent Pipe - Double Wall - Wall Terminal Kit

5" Inner Diameter - Direct Vent Pipe - Double Wall - Roof Terminal Kit for 1/12 to 7/12 Pitch

3" Inner Diameter - Direct Vent Pipe - Double Wall - Roof Terminal Kit for 8/12 to 12/12 Pitch for the Napoleon GT8 Fireplace