Actual Dimensions: 19.13 x 19.88 x 4.25. Accumulair brand: 19x20x4.5 Carrier FILXXFNC0121 compatible whole house air filters, specifically engineered to be an alternative to the OEM Carrier FILXXFNC0121 air filters. Completely box-formed - no assembly or combs needed. MERV rated to ASHRAE specifications establishing particle filtration as good or better than the original manufacturer Carrier FILXXFNC0121 air filters. Notice: The example air filter image displayed is not to scale and is displayed for configuration purposes. Brand names and Carrier FILXXFNC0121 identifier included for filter style purposes only.
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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