3" single walled Horizontal Stainless Steel Z-Vent Wall Hung Water Heater Vent Kit for Eccotemp 40HI-LP and 40HI-NG (indoor) models. This vent kit is supplied with all the necessary components for a quick and seamless installation. It includes the following pieces:
Made of AL-294C stainless steel. This is Category II/III and UL approved.