21x21x1 Lifetime Air Filter - Electrostatic Washable Permanent A/c Furnace Air Filter


21x21x1 Lifetime Air Filter - Electrostatic Washable Permanent A/c Furnace Air Filter by Kilowatts Energy Center at N Online Agency. MPN: AC212101. 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 These permanent, washable air filters remove up to 95% of airborne allergens and contaminants and feature low air resistance. Be Careful! Not all electrostatic filters are the same! It is very important that air filters have LOW AIR RESISTANCE so they don't make your central air unit work harder. This can lead to higher energy bills and


4.4 out of 5 stars with 17 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 These permanent, washable air filters remove up to 95% of airborne allergens and contaminants and feature low air resistance. Be Careful! Not all electrostatic filters are the same! It is very important that air filters have LOW AIR RESISTANCE so they don't make your central air unit work harder. This can lead to higher energy bills and

 


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