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 19-1/8" x 19-13/16" x 4-5/16".
- MERV 11 rated per ASHRAE test standard 52.2.