Tripp Lite Wall-Mount Roof Fan Kit, 2 High-Performance Fans, 120V, 210 CFM, 5-15P Plug (SRFANWM) Increase airflow in wall-mount rack enclosures. The SRFANWM is ideal for expelling heat through a roof mounted fan system Features (2) 120V high-performance fans 3-ft. cord with 5-15P plug 50 dB sound rating 2-Year Limited Warranty