Actual Dimensions: 19.13 x 19.88 x 4.25. Accumulair brand: 19x20x4.25 Day and Night FILBBFNC0021 substitute whole house air filters, exactly constructed to replace original brand Day and Night FILBBFNC0021 filters. Completely assembled so no assembly or combs required. MERV graded to ASHRAE 52.2 test specs assuring filtration to the level of the OEM Day and Night FILBBFNC0021 air filter. Note: The example filter image shown is not to scale and is displayed for style purposes. Company names and Day and Night FILBBFNC0021 identifier used for air filter replacement identification use.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 business days for stocked filters (standard 1"-5" thick sizes), up to 3 weeks for made-to-order filters (non-standard and 0.5" sizes).
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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