The Continental 25' Vent Kit for Direct Vent Gas Fireplace Inserts offers a convenient and efficient solution for venting your gas fireplace insert. This high-quality kit includes two 3" double-ply aluminum liners (inlet and exhaust), designed to simplify installations and ensure reliable venting. Perfect for homeowners and professionals, this durable venting component enhances the performance and safety of your direct vent gas fireplace insert.