The Continental 5' Flexible Direct Vent Kit - 4" & 7" provides a high-quality solution for venting direct vent appliances. Designed for easy installation, this flexible venting kit includes a 4" aluminum liner and a 5' x 7" aluminum liner, offering reliable performance. Available in 5 or 10-foot lengths, it ensures optimal air intake and exhaust for your venting system. Perfect for both residential and commercial applications.