The RHEEM MFG COMPANY 10 in. Inline Direct Vent Header Kit is designed for efficient venting in multi-unit systems. This kit includes components for seven units, ensuring optimal airflow and compliance with industry standards. Constructed from robust materials, it guarantees durability and resistance to environmental factors. The kit's dimensions and design facilitate straightforward installation, making it ideal for both residential and commercial applications. Enhance your venting system's performance with this reliable header kit.