IPEX 636 PVC Venting

System 636 PVC is classified as Type BH Class IIA vent, suitable for use on appliances with flue gas temperatures up to and including 65ºC (149ºF). Sizes include 1-1/2″, 2″, 2-1/2″, 3″, 4″ and 6″. Coloured white with unique blue certification markings