DirectVent High-Wind Co-Linear Kit & Flex - (1) 4" x 35' & (1) 3" x 35' Flex Lengths

Designed for use when installing a direct vent co-linear insert into a masonry chimney, this kit provides everything you need for a safe and efficient setup. It includes your choice of a High-Wind Termination Cap or a Prairie Termination Cap, along with two lengths of durable aluminum flex—one Red (exhaust) and one Green (air intake) for easy identification and proper installation. Available in multiple diameters and lengths (see chart for options), this kit ensures reliable performance and secure venting in both standard and high-wind conditions.