John Deere line is designed to help carry air through the air flow tube, plenum, or manifold system. The dual-fan tube design helps support the intended airflow path for dual-fan applications. Steel construction helps provide strength and rigidity, supporting line shape retention and dependable flow. Designed to support proper fit and routing within the air flow system, this line helps align with the intended connection points for a smoother installation. Confirm fitment with the applicable parts catalog before installation.