20x20x5 Honeywell FC100A1011 MERV 9 Activated Carbon Aftermarket Replacement Filter20x20x5 Honeywell FC100A1011 MERV 9 Activated Carbon Aftermarket Replacement Filter $84.72 SKU: HRC20205 Back $84.72 Quantity -+ Add to Cart Details 20x20x5 Honeywell FC100A1011 MERV 9 Activated Carbon Aftermarket Replacement Filter DetailsBackDetails20x20x5 Honeywell FC100A1011 MERV 9 Activated Carbon Aftermarket Replacement FilterSee MoreSee Less