Additional length of gas single-vent connector.
Single-Vent is a single wall flexible vent connector. Single-Vent, like Insul-Vent, is designed to make difficult installations easy and economical. It replaces rigid single pipe as a vent connector. Both products, like all our other flexible products, are manufactured with our patented triple lock seam. Insul-Vent and Single-Vent are UL listed.