Northern Tool offers the Strongway 48" Open Motor Direct-Drive Drum Fan for $359.99. Coupon code "260475" cuts it to $339.99. Choose in-store pickup to dodge the shipping fees, which start at around $97. At $40 off list price, it ties our May mention as the lowest price we could find. It features four blades that deliver 18,900 CFM of airflow, a 2-speed motor, and rubber wheels. Deal ends August 21.