This Filter Hut Accumulair 19x21x4 air filter is specifically constructed to be compatible with same sized 19x21x4 air filter specification. Pleated electrostatically charged filter media traps contaminants according to the MERV specification. Chemical free material. Notice: Example filter image shown is not the actual dimensions and is shown for design only. Current stock and 19x21x4 air filter variations current as of 03/24/2020.
Shipping and Returns
- Our current lead times are 6-8 business days for standard filters (1"-6" thick sizes), and up to 10-14 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.
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