This item is made to order, non-returnable, and ships within 1 business day. Please check the actual dimensions listed below prior to ordering.
20x37x2 / 37x20x2 Geothermal Air Filter
- This is a double panel filter. Due to the large face area (length x width), two filters will be taped together to make this size. This is an industry standard practice and does not affect the performance of the filter.
- MERV 11 rated per ASHRAE test standard 52.2
- The actual dimensions of the filter are 20" x 37" x 1.75".
