This Filter Hut Accumulair brand 28x30x4 air filter is solely constructed to substitute for same sized 28x30x4 air filter type. Pleated electrostatically charged filter media traps airborne substances according to the MERV standard rating. Free of chemicals. Notice: Example filter picture shown is not the actual dimensions and is included to show style purposes only. Database and 28x30x4 air filter statements current as of 03/24/2020.
Shipping and Returns
- Our current lead times are 10-14 business days for standard filters (1"-6" thick sizes), and up to 14-21 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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