Filter Hut's Accumulair 13x21x0.5 air filter is specifically designed to be compatible with same sized 13x21x0.5 air filter specification. Pleated electrostatically charged filter media traps contaminants in the air relative to its MERV rating. Material is free of chemicals. Notice: Sample filter picture displayed is not the actual dimensions and is shown for design only. Database and 13x21x0.5 air filter specs last verified 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.
Payment & Security
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