Filter Hut's Accumulair brand 16.25x21x1 air filter is solely constructed to be compatible with same sized 16.25x21x1 air filter type. Pleated static charged filter media traps airborne particles relative to its MERV standard specification. Material is free of chemicals. Notice: Example filter picture as shown is not the actual dimensions and is shown for style only. Catalog and 16.25x21x1 air filter variations current as of 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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