The Vevor wall mount fan set includes two 18" industrial fans designed to deliver strong airflow in large indoor spaces. Each fan offers 3 speed settings, up to 4150 CFM airflow, and a vertical tilt adjustment for targeted ventilation. The all-metal construction, aluminum blades, and copper motor are built for durable everyday use. With a low noise level and simple wall-mount installation, these fans are well suited for warehouses, workshops, garages, basements, and other commercial or utility areas.