Rheem RTG20151D-1 Concentric Straight Vent - 35.66" - 3" x 5" 

The Stainless Steel Concentric Straight Vent length is made for use with a mid-efficiency tankless gas installation. The precision-formed gasket allows for easy installation. Designed to fit the mid-efficiency EcoSense Tankless Gas Water Heater.

Features:

• Fast, easy installation, 1 step connection

• 35.66 in. in total length

• Leak proof seamless precision formed gasket

• Stainless steel construction

• No sagging, tight overlap and lock prevent sag and wobble

• 1-year limited warranty