Sierra Flame by Amantii 6" Through The Roof Adapter Kit for Boston Series Gas Fireplaces h40.5 21" burner sizes

21" burner sizes

Ultra-Quiet Operation – Built with the most quiet and reliable components in the industry

This kit was specifically designed to accompany the Artisan 60" Vent Free Gas Fireplace made by Monessen

Gas SS17N 17”

The Outdoor Plus uses high-quality raw Copper & Stainless Steel to form the Fire Bowl

Sierra Flame by Amantii 6" Through The Roof Adapter Kit for Boston Series Gas Fireplaces h40.5 21" burner sizesSierra Flame by Amantii through the roof adapter kit is made for use with Boston series gas fireplaces. Features Includes two adapters 4 Inch flex to 4 Inch hard adapter 4 Inch hard to 6 5 8 Inch hard adapter Designed for use with Sierra Flame Boston fireplaces Specifications Inner Diameter: 4 Outer Diameter: 6 Clearance to Combustibles: 3 Inches *Venting Requirements: This unit requires venting pipe with an inner diameter of 4 Inches. Please see the