ITEM NAME:Round-Tube Parking-Tank-Accessories Exhaust-Pipe Gas-Vent Air-Parking-Heater.Stainless steel parking air heater exhaust pipe, healthy, safe, durable, corrosion resistant and wear resistant. 1 Parking Air Heater Tank Exhaust Pipe. Perfect for parking air diesel heaters. We want to make sure you are happy with our item.