Our Accumulair brand 18x18x0.5 air filter is exactly designed to replace same sized 18x18x0.5 air filter style. Pleated electrostatically charged media traps airborne contaminants according to the MERV standard rating. Chemical free. Note: Sample filter picture displayed is not the actual dimensions and is included to show construction purposes only. Catalog and 18x18x0.5 air filter statements last updated 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.
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