Filter Hut's Accumulair brand 19.75x21x1 air filter is specifically designed to replace same sized 19.75x21x1 air filter style. Pleated electrostatically charged filter material traps airborne substances according to the MERV rating. Free of chemicals. Notice: Example filter image displayed is not to scale and is included to show construction purposes only. Catalog and 19.75x21x1 air filter specs current as of 03/24/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 days for stocked standard filters, up to 3 weeks for non-standard and 0.5" filters, and up to 8 weeks for bag filters.
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
Payment & Security
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