The RHEEM MFG COMPANY 8 in. Inline 6 Units Direct Vent Header Kit (SP20908E) is designed for efficient venting in multi-unit heating systems. This kit includes all necessary components for a reliable direct vent setup, ensuring optimal exhaust flow. Made from high-quality materials, it offers durability and resistance to corrosion. The header kit is engineered to meet ANSI standards, making it suitable for both residential and commercial applications. Enhance your heating system's efficiency with this comprehensive direct vent header kit.