pzharqg 16x20x4 furnace filter merv 11 compatible with toptech tt-fm-1620 tt-mac-1722 for rodgers,hvac collapsible(actual size: 15.38 x 19.38 x 3.75) 1 pack is up for auction in Tools & Home Improvement. This item is in As Is condition. This auction has ended — similar items appear in live auctions regularly.