![Nordic Pure 13x20x1ExactCustomM10-12 MERV 10 AC Furnace Filters, 13 x 20 x 3/4 (13 x 20 x 0.75), 12 Piece - Replacement Furnace Filters - Amazon.com Nordic Pure 13x20x1ExactCustomM10-12 MERV 10 AC Furnace Filters, 13 x 20 x 3/4 (13 x 20 x 0.75), 12 Piece - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/61t4io74OML._AC_UF1000,1000_QL80_.jpg)
Nordic Pure 13x20x1ExactCustomM10-12 MERV 10 AC Furnace Filters, 13 x 20 x 3/4 (13 x 20 x 0.75), 12 Piece - Replacement Furnace Filters - Amazon.com
![Factory Direct Air Filter for Replacement in Any Size for HVAC/Furnace Systems - China Air Filter, Air Cleaner | Made-in-China.com Factory Direct Air Filter for Replacement in Any Size for HVAC/Furnace Systems - China Air Filter, Air Cleaner | Made-in-China.com](https://image.made-in-china.com/44f3j00yCiopeYqCVkQ/Factory-Direct-Air-Filter-for-Replacement-in-Any-Size-for-HVAC-Furnace-Systems.webp)
Factory Direct Air Filter for Replacement in Any Size for HVAC/Furnace Systems - China Air Filter, Air Cleaner | Made-in-China.com
![Nordic Pure 30x32x1ExactCustomM7-6 MERV 7 AC Furnace Filters, 30 x 32 x 3/4 (30 x 32 x 0.75), 6 Piece - Replacement Furnace Filters - Amazon.com Nordic Pure 30x32x1ExactCustomM7-6 MERV 7 AC Furnace Filters, 30 x 32 x 3/4 (30 x 32 x 0.75), 6 Piece - Replacement Furnace Filters - Amazon.com](https://m.media-amazon.com/images/I/71aLJs2zSdL._AC_UF1000,1000_QL80_.jpg)