The Rheem Concentrice Adjustable Vent is a versatile venting solution designed for 3 in. to 5 in. applications. This vent is crafted from durable materials to withstand high temperatures and ensure long-lasting performance. Its adjustable length allows for flexible installation in various configurations, making it suitable for both residential and commercial water heating systems. The vent complies with industry standards, ensuring safe and efficient exhaust of combustion gases. This product is essential for maintaining optimal performance and safety in your Rheem heating system.