Suggested Retail:$35. 20x20x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack . Installing our 20x20x1 MERV 8 air filter into your air conditioner or furnace can greatly reduce the number of airborne particles from contaminating your indoor air quality where you live or work. The MERV 8 air filter will efficiently improve the air quality in your environment. By using and changing your filters regularly, your energy costs can be reduced, while providing clean and healthy air for your family and colleagues. 20x20x1 Description. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.