Actual Size: 15.5 x 19.88 x 4.25. Accumulair brand: 16x20x4.25 Day and Night FILBBFNC0017 compatible whole house air filters, specifically built to replace the original brand Day and Night FILBBFNC0017 air filters. Fully assembled so no assembly or combs needed. MERV classified to ASHRAE 52.2 test ratings assuring performance to the level of the OEM Day and Night FILBBFNC0017 filter. Notice: Sample air filter picture as displayed is not the actual dimensions and is included to show style only. OEM names and Day and Night FILBBFNC0017 identifier used for filter replacement purposes.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
Due to shortages and demand the current lead time is up to 10 business days to process.
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.
Payment & Security
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