Tech Drive Heavy Duty Metal Industrial Drum Fan, 30 inch High Velocity Shop Fan, 2 Speed Large Floor Fan for Warehouse, Workshop, Factory, Garage, All Metal, Black 30 inch Drum Fan is up for auction in Industrial & Scientific. The current bid is $39.51, 79% below the $183.78 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.