Heatfab 3" dia. stainless steel venting. Have a variety of components, pipe, kits, etc. including some concentric venting with 3" inside & 5" outside sections. Originally purchased for Laars Endurance boiler installations but could be used on many boilers & furnaces. Closeout lot at a fraction of cost at $300.00. Reply to sales@greenthermalspecialties.com or (541) 679-5390

This message has been edited. Last edited by: hrfeng,