Actual size is 20.75 x 20.25 x 5.25. Accumulair brand 20x20x5 Gibson NC2020 compatible whole house air filters, specifically constructed to be an alternative to the original manufacturer Gibson NC2020 air filters. Fully assembled - no assembly or combs required. MERV rated to ASHRAE classifications ensuring particulate capture equal to the original brand Gibson NC2020 air filters. Note: The sample filter picture as displayed is not true to size and is there to show style purposes only. Company names and Gibson NC2020 identifier are included 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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