jslin 4x10 floor regsiter - 5 pack vent covers for home floor wall ceiling - white with screws for easy installation - heavy duty steel walkable finish for quiet adjustable airflow hvac register grilles white 4x10 5 pack is up for auction in Tools & Home Improvement. The current bid is $5.50, 82% below the $29.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.