DUSTSTOP Trim to Fit Washable Air Filter - 20" x 25" x 3/4"

The Duststop Trim to Fit Washable Furnace Air Filter, 20 x 25 x 3/4-in, 1-pk, traps dirt, dust, and pollen. This synthetic fibre filter is reusable, washable, and cut-to-fit, making it customizable for any furnace or AC unit. Measuring 20 x 25 x 3/4 inches, it can be trimmed to smaller sizes. The thick non-woven fabric is self-supporting and catches airborne particles, preventing them from circulating through your home's ventilation system. To clean, simply rinse the filter once a month. The washable design eliminates the need to frequently replace disposable filters.