Sierra Flame by Amantii 6" Through The Roof Adapter Kit for Boston Series Gas Fireplaces h40.5 000 Burner Type 18" x

000 Burner Type 18" x 6" H-Burner Standard / Torpedo Gas Type Natural Gas / Liquid Propane

Use when penetrating a joist

Gas SS17N 17”

show them our 1/2" Black luster fire glass 2

21" burner sizes

Sierra Flame by Amantii 6" Through The Roof Adapter Kit for Boston Series Gas Fireplaces h40.5 000 Burner Type 18" xSierra 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