Winnerwell Triple-wall Heat Protector Chimney3. 5 inch: WARNING: If using the Heat Protector Chimney G2 3. 5'' only, without the use of Flashing Kit, there will be potential risk of melting or burning the tents. The Heat Protector Chimney G2 3. 5'' must be installed on the third or higher than the third section chimney pipe of the stove. Specification Material: AISI304 Pipe Length: 430mm 16. 9in Inner Pipe Diameter: 89mm 3. 5in Weight: 1. 57kg 3. 46lbs 2. 5 inch: WARNING: If using the Triple