jaseng furnace filters 10x20x1 merv 8, mpr 600, air filter (2 pack) for hvac, ac furnace - actual size: 9.75"x19.75"x0.75" 10x20x1-2pack is up for auction in Tools & Home Improvement. This item is in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.