Actual dimensions are 19.13 x 19.88 x 4.25. Accumulair brand: 19x20x4.25 Day and Night FILBBFNC0021 style whole house filters, exactly engineered to replace the original brand Day and Night FILBBFNC0021 air filters. Completely constructed so no forming or combs needed. MERV rated to ASHRAE 52.2 test specifications assuring particle filtration as good or better than the original brand Day and Night FILBBFNC0021 filters. Notice: Sample filter pic shown is not to scale and is there to show construction purposes only. Brand names and Day and Night FILBBFNC0021 identifier are included for air filter replacement identification purposes. Current stock and specs last verified on 03/29/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Orders take 1-3 business days to process.
(Custom & bag filters take 5-7 business days.)
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
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