Suggested Retail: $87.31. Filtrete 20x24x1 AC Furnace Air Filter MERV 11 MPR 1000 Micro Allergen Defense 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter 6 Pack. Filtrete Allergen Defense Air Filter transforms your central heating and cooling system into a whole-home air filtration operation. This filter captures particles of varying sizes, from large lint pollen dust pet dander to microscopic smoke smog. It is designed with exclusive Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while allowing cleaner air to flow through. This pack contains 6 filters. Brand: Filtrete. Model: ‎AD26-6PK-1E. Num: 2J4aZbNkT6zx5ulhXHjMFB. Lot Sticker: OH001.07-00000010-91. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.