- Nominal Size: 20 x 20 x 1, Actual Size: 19 1/2 x 19 1/2 x 3/4 (19.5 x 19.5 x 0.75)
- Measure your air filter for the exact size and compare it to our actual size to ensure proper fit.
- Made with MERV rated synthetic poly blend pleated media
- Nordic Pure recommends changing 1″ air filters every 30-90 days
- Made in the USA.
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