21x21x1 Lifetime Air Filter - Electrostatic Washable Permanent A/C Silver Steel Frame 65% more efficiency


21x21x1 Lifetime Air Filter - Electrostatic Washable Permanent A/C Silver Steel Frame 65% more efficiency by Kilowatts Energy Center at N Online Agency. MPN: 21211AFSV-94%. Hurry! Limited time offer. Offer valid only while supplies last. Replaces standard 21x21x1 sized disposable filters. Standard filters are generally undercut 3/8 inch. The actual size of this filter is 20-5/8 x 20-5/8 x 7/8. In the center, non-woven layer retains debris in a maze of fibers designed to maximize air flow even when soiled. Rated by independent testing laboratory at over 65% peak arrestance (particle filtering efficiency), this filter has 20 times the filtering capabilities of a disposable fiberglass filter.Highest filtering efficiency available


4.9 out of 5 stars with 90 reviews
Condition: New
Availability: In Stock
$29.99


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Product Description & Reviews

Replaces standard 21x21x1 sized disposable filters. Standard filters are generally undercut 3/8 inch. The actual size of this filter is 20-5/8 x 20-5/8 x 7/8. In the center, non-woven layer retains debris in a maze of fibers designed to maximize air flow even when soiled. Rated by independent testing laboratory at over 65% peak arrestance (particle filtering efficiency), this filter has 20 times the filtering capabilities of a disposable fiberglass filter.Highest filtering efficiency available

 


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