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
- Shipping is FREE to the contiguous United States.
Due to shortages and demand the current lead time is up to 10 business days to process.
Orders take 1-3 business days to process.
(Custom & bag filters take 5-7 business days.)
Delivery normally takes another 1-3 days depending on location.
- 30-day 100% return policy.
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