The RHEEM MFG COMPANY Straight Vent Pipe (RK013091) measures 3.28 ft. and is designed for single wall venting applications. Constructed from high-quality materials, this vent pipe ensures durability and effective exhaust flow. Its standard dimensions make it compatible with various heating systems, providing a reliable solution for venting needs. This product meets ANSI standards, making it suitable for both residential and commercial installations. Enhance your venting system with this robust and efficient straight vent pipe.