Actual Dimensions: 20.75 x 20.63 x 5. Accumulair brand: 20x21x5 Emerson F8110321 compatible whole house filters, specifically engineered to be an alternative to the original brand Emerson F8110321 air filters. Fully built - no forming or combs needed. MERV graded to ASHRAE 52.2 test specifications establishing particulate capture as good or better than the OEM Emerson F8110321 air filter. Photo: The sample filter image as displayed is not true to size and is displayed for design purposes. Trade names and Emerson F8110321 P/N used for air filter style purposes.
Shipping and Returns
- Our current lead times are 4-6 business days for stocked filters (standard 1"-5" thick sizes), and up to 8-12 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
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.