Filter Hut's Accumulair 8x20x4 air filter is exactly engineered to be a replacement for similarly sized 8x20x4 air filter type. Pleated electrostatically charged media captures contaminants according to the MERV standard rating. Material is free of chemicals. Note: Sample filter image as shown is not to scale and is included to show design purposes only. Current stock and 8x20x4 air filter specs last updated on 03/24/2020.
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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