MissHoney 4 Inch Inline Duct Fan Exhaust Fan Ventilation Air Duct 280 CFM Intake Fan Window Vent High Efficiency Air Quiet Copper Motor For Vent Bathroom Ducting Vents Bathroom Grow Tents Hydroponics is up for auction in Tools & Home Improvement. The current bid is $4.50, 88% below the $38.98 MSRP, in Good Condition. This auction has ended — similar items appear in live auctions regularly.