Actual dimensions are 20.75 x 20.25 x 5.25. Brand: Accumulair. 20x20x5 Gibson MU2020 compatible whole house filters, exactly built to replace the name brand Gibson MU2020 filters. Completely built with no assembly or combs required. MERV classified to ASHRAE classifications ensuring particle capture to the level of the OEM Gibson MU2020 air filters. Notice: The sample filter pic as displayed is not true to size and is there to show configuration only. Trade names and Gibson MU2020 identifier shown for filter style identification only.
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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