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Furnace Air Filter Replacements

Air filters and furnace air filters help keep your air clean and reduce dust and pollen in your air.

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  1. Tier1 21-1/2 x 21-1/2 x 1 MERV 8 - 6 Pack Air Filters (P85S-6121H21H)
    Tier1 21-1/2 x 21-1/2 x 1 MERV 8 - 6 Pack Air Filters (P85S-6121H21H)

    Tier1 21-1/2 x 21-1/2 x 1 MERV 8 - 6 Pack Air Filters (P85S-6121H21H)

    Price $83.99 List Price Price $119.99 Save 30%
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  1. Advertised Size (in) 21-1/2 x 21-1/2 x 1
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