This Accumulair brand 14x18x4 air filter is exactly engineered to substitute for same sized 14x18x4 air filter style. Pleated static charged filter material captures airborne contaminants relative to its MERV standard rating. Material is free of chemicals. Note: Sample filter image shown is not to scale and is shown for style only. Current stock and 14x18x4 air filter statements last updated on 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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