| Air Flow Capacity (CFM): | 2000 |
|---|---|
| Filter Size: | 20" x 25" |
You may be able to use a higher MERV filter, however it will increase resistance to air flow which could have a negative effect on the heating equipment. If you have been satisfied with the performance of the MERV 8 units, the safest choice would be to replace it with the same model filter.