Superior 18-inch Section Hi-Temp Double Wall Pipe Snap Lock 18-12HT

This is Superior's 18-inch Section Hi-Temp Double Wall Pipe Snap Lock, identified as 18-12HT. Ensure durable and efficient venting for your fireplace system with this high-temperature-resistant component.

Features:

• Comfort Glow, Comfort Flame, Desa, Design Dynamics, FMI, Vanguard, Vantage Hearth, Superior, IHP
• Each double wall chimney section consists of a 15" diameter galvanized outer pipe, a 12-3/8" diameter stainless steel inner flue pipe, and a wire spacer
• Actual lengths gained after fitting overlaps must be taken into consideration (lineal gain)
• Lineal gain is the actual measurable length of a part after two or more parts are connected