Actual Dimensions: 20.75 x 20.25 x 5.25. Accumulair brand, 20x20x5 Five Seasons MU2020 style whole house filters, specifically built to replace original manufacturer Five Seasons MU2020 air filters. Completely box-formed with no forming or combs required. MERV graded to ASHRAE specifications establishing particle filtration to the level of the original manufacturer Five Seasons MU2020 filter. Notice: The sample filter picture as displayed is not to scale and is displayed for design purposes. Trade names and Five Seasons MU2020 P/N used for filter substitution identification use.
Shipping and Returns
- Our current lead times are 6-8 business days for standard filters (1"-6" thick sizes), and up to 10-14 business days for made-to-order filters (non-standard and 0.5" sizes). Delivery normally takes another 1-3 days depending on location.
- Shipping is FREE to the contiguous United States.
- 30-day 100% return policy.
Payment & Security
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