Actual size is 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Five Seasons FSMU2020 compatible whole house filters, specifically built to replace the OEM Five Seasons FSMU2020 filters. Completely assembled with no assembly or combs required. MERV graded to ASHRAE ratings ensuring particle filtration equal to the OEM Five Seasons FSMU2020 filter. Photo: Sample air filter pic as displayed is not true to size and is shown for design only. Name brands and Five Seasons FSMU2020 P/N are used for air filter substitution identification purposes only.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 days for stocked standard filters, and up to 24 days for non-standard, 0.5" , and bag filters.
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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