durasteel wall mounted air curtain fan - white 36 inch air door - ul certified commercial super power indoor over door fan with heavy duty door limit switch by durasteel aerial titan-2 titan-2 36" (inch) white fan is up for auction in Home & Kitchen. The current bid is $1.50, 99% below the $249.00 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.