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
- Our current lead times noted at the top of the page are due to backlogs, supply chain issues, and staffing shortages. We apologize for the inconvenience.
- Shipping is FREE to the contiguous United States.
- 30-day 100% return policy.
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.