mxclimate sound deadening kit for vent,sound proof foam panels 5.38 sqft with self adhesive,high density acoustic foam for reducing noise sound insulation of hvac vent & duct,with mesh vent covers is up for auction in Tools & Home Improvement. The current bid is $1.00, 98% below the $42.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.