Rheem 6 in. Vent Length 3 in. x 5 in. Stainless Steel Concentric Vent for Tankless Gas Water Heaters

Durable stainless steel construction offers worry free use for the life of your tankless water heater. The concentric venting is system matched to the water heater for optimal performance. Concentric design combines both the intake and exhaust pipes of the water heater venting.