Lennox X8311 Healthy Climate HCXF14 MERV 11 Expandable Replacement Furnace Filter

Filter dimensions: 20" x 20" x 5" (Actual Size 19.93" x 19.68" x 4.31")

Note: This item DOES NOT come with the replacement inner housing reusable filter frame. If you need to convert from a standard box media filter, purchase the Lennox X8305 filter kit which includes the expandable filter and the inner housing reusable filter frame.

If you need a standard box 20" x 20" x 5" filter, purchase the Lennox X0585.

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