byewire air vent covers for wall or ceiling, 10 x 6 inch duct opening, two-way ventilation register, steel hvac register cover, ac vent cover, for home, office, bathroom, 4 pack black 10x6 4pcs black is up for auction in Tools & Home Improvement. The current bid is $1.00, 97% below the $35.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.