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21x21x1 Air Filter Glasfloss GDS Series Disposable – Box of 12

Actual Size: 20-5/8 x 20-5/8 x 3/4

$132.65

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The Glasfloss GDS 21x21x1 disposable air filter features a strong double-strut design, providing excellent durability and performance for homes, businesses, and industrial settings. It offers 10% more open media area than traditional filters, enhancing its dust-holding capacity. We designed this filter for easy disposal and safe handling, eliminating sharp edges. The progressively dense fiberglass maximizes dust trapping. The frame, made from 100% recycled materials, clearly shows size, U.L. classification, and airflow direction. We use an adhesive that is non-toxic, non-flammable, and odor-free to bond all parts, ensuring safety and reliability.

Customer Reviews
5.0 Based on 2 Reviews
5 ★
100% 
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Filter Reviews:
VA
10/26/2020
VINCE A.
US

Does the job right thank

Does the job right thank you

JA
06/07/2020
JAMES A.
US

For Rheem A/C - Good

For Rheem A/C - Good fit, Good Value, Good Service