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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Actual Dimensions: 9 7/8" x 17 7/8" x 3/4"
Never have to hassle with disposable filters that will end up in a landfill
Valuable tool in achieving LEED certification points
12" x 36" x 1" Permanent Washable Air Filter - 1 Pack
MERV 11 - Pleated Air Filter - Recommended for Pet Owners
21 1/2" x 21 1/2" x 1" MERV 4 - Residential Washable Air Filter Residential Washable Air Filter:21 1/2" x 21 1/2" x 1" MERV 4 - Residential Washable Air Filter Actual Dimensions: 9 7/8" x21 1 2" x 21 1 2" x 1" MERV 4 Residential Washable Air Filter 1 Pack Actual Dimensions: 21. 5" x 21. 5" x 3 4 These quality filters are built to last a lifetime. They are interchangeable with 1" disposable filters and can be used again and again. The secret behind the filter's performance is its patented stage loading peak and valley design. Instead of face loading (particles captured on the outer surface of the filter) the filter uses stage loading,
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