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  1. DPFS20X2525X350M11 Tier1 Replacement Air Filter - 20x25.25x3.5 (2-Pack)

    Tier1 brand replacement for Aprilaire #102 - 20 x 25.25 x 3.5 - MERV 11 (2-Pack)

    Fits Aprilaire/Space-Gard Model No. 2120 (Part #102) Learn More
    $59.99 MSRP:  $71.29

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