Premium Secure Flex 12-24 Foot Compressed Flexible Ventilation Duct - Heavy Duty HVAC Air Duct for Home, RV & Marine Use | Durable & Fire-Resistant

Features

• Provides a premium accessory for use with your gas fireplace. Featuring heavy-duty galvanized steel construction, this unit has been built to last. This venting offers a 12-foot size expandable to 24 feet to meet the needs of your installation.
• Heavy-duty galvanized steel construction for long-term durability
• Necessary component to complete the installation of your direct vent fireplace
• Designed for 4.5-inch inner diameter and a 7.5-inch outer diameter venting systems
• Limited Lifetime Warranty