Our Accumulair 16x21x1 air filter is exactly made to substitute for similarly sized 16x21x1 air filter style. Pleated electrostatically charged media captures contaminants in the air relative to its MERV specification. Free of chemicals. Note: The example filter picture displayed is not the actual dimensions and is shown for style purposes only. Current stock and 16x21x1 air filter variations last verified on 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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