This item is made to order, non-returnable, and ships within 1 business day. Please check the actual dimensions listed below prior to ordering.
19x20x4 / 20x20x4 Whole House Air Cleaner Filter Replacement
- Offers an economical alternative to the name-brand filter without compromising air quality or efficiency.
- Actual dimensions of the filters are 19" x 19-3/4" x 4-1/4".
- MERV 11 rated per ASHRAE test standard 52.2.