Metalbest 4" Inner Diameter - Direct Vent Pipe - Double Wall - Combustion Air Kit

Features:

• Combustion Air Kit
• Flex Provides an avenue for combustion air to flow from the Pellet Stove Adapter to the combustion air inlet of the appliance
• Kit includes: 3 feet of 3" ID aluminum and one hose clamp. Clamp adjusts from 1-1/2" to 3-1/2" to fit all pellet and corn stoves.