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16 x 25 x 1″
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20 x 20 x 1″
20 x 22 x 1″
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2″ Air Filters
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4″ Air Filters
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16x25x5 Air Filters
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Air Filters
Lennox Air Filters
20x21x5 Air Filter - Lennox
Merv 8
MERV 8 Replacement for Lennox 20x21x5 (20x20.63x4.38)
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2 20x21x5 Air Filter - Lennox
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MERV 8 Replacement for Lennox 20x21x5 (20x20.63x4.38)
Actual Size 20x20.63x4.38"
Traps and blocks over 90% of pollen, dust mites, mold, larger dust particles, and more.
Ideal for standard and residential commercial use
Designed to last 180 days. Replace regularly for optimum performance.
Free shipping on all orders!
