The 10 in. 8 Units Back to Back Direct Vent Header Kit by Rheem MFG Company is engineered for efficient venting in multi-unit gas appliances. This kit features a robust 10-inch diameter, allowing for optimal airflow and exhaust management. Constructed from high-quality materials, it ensures durability and compliance with industry standards. The back-to-back design simplifies installation and connection to multiple units, making it ideal for residential and commercial applications. This header kit is essential for maintaining safe and efficient operation of gas heating systems.