Actual face dimensions are 5/8 inch under listed size. Header thickness: 13/16". MERV 9 is white. MERV 11 is orange. MERV 13 is pink. MERV 15 is yellow. The 12x24x21 bag filters utilize synthetic media for high efficiency filtration. Filter Hut's 12x24x21 bag filter is resistant to abrasion, moisture and microbial growth, and are non-carcinogenic. Each 12x24x21 bag filter contains adhesive seals around each pocket and inside the header, providing high blow-out resistance. Resistant to microbial growth and moisture. Rated to ASHRAE 52.2 classifications. Conforming by U.L. standard 900. Classified to 160 degrees F. Current stock and 12x24x21 bag filter specs are up to date as of 03/24/2020.
Shipping and Returns
- Shipping is FREE to the contiguous United States.
- Our current lead times are 3-5 business days for stocked filters (standard 1"-5" thick sizes), up to 3 weeks for made-to-order filters (non-standard and 0.5" sizes), and up to 8 weeks for bag filters.
Delivery normally takes another few days depending on location.
- 30-day 100% return policy.
Payment & Security
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