This Accumulair brand 18x22x0.5 air filter is specifically built to be compatible with similarly sized 18x22x0.5 air filter type. Pleated static charged media traps contaminants according to the MERV rating. Free of chemicals. Notice: The sample filter image as shown is not to scale and is displayed for construction purposes only. Current stock and 18x22x0.5 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 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.
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