hxcockcrow 36’’ air curtain for doors,?new upgrade? wall mounted commercial door fan with door magnetic switch for home restaurant shop garage, 2-speed powerful slim indoor curtain fan white 36 inch is up for auction in Tools & Home Improvement. The current bid is $3.00, 99% below the $230.99 MSRP, in As Is condition. Bid on this item at our Louisville - Intermodal Dr. location before the auction closes.