This Burnham Commercial vent pipe is a high-quality, adjustable stainless steel component designed for use in various heating systems. With a diameter of 4 inches, it provides an efficient and secure path for the expulsion of combustion gases from the heating unit to the outside environment. The adjustability feature allows for flexibility during installation, accommodating different lengths and angles as required by specific system configurations. The stainless steel material ensures durability and resistance to corrosion, making it suitable for long-term use in commercial heating applications.