3 Pack 20x25 Designed to Fit Dynamic electronic air cleaner replacement polarized filter pads refill
Actual Filter Size 18.5"x22.5"
Features a full carbon center sheet, providing consistent electrical conductivity and eliminating the need for painted targets or orientation alignment
Replace Every 1 to 4 Months: Depending Local air quality for optimal performance.
Some Dynamic replacement pads use a painted target or aluminum patch because they switched to a cheaper carbonized mesh center. We stayed with the original full-carbon design, so no patch is needed—the electrode makes solid contact anywhere on the pad for consistent performance.
