This Filter Hut Accumulair 21x21x0.5 air filter is exactly made to replace similarly sized 21x21x0.5 air filter specification. Pleated electrostatically charged filter media captures airborne particles relative to its ASHRAE MERV rating. Material is free of chemicals. Note: The sample filter image as shown is not the actual dimensions and is displayed for design purposes only. Catalog and 21x21x0.5 air filter statements are up to date as of 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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