20" x 24" x 4"

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  • Disposable Merv 8 XTREME+Plus High Capacity Pleat 20″ x 24″ x 4″ (3-Pack)

    $67.53
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  • Koch Filter Merv 11 Std. Capacity
    Pleated Panel Filter XL11
    20″ X 24″ X 4″ (3-Pack)

    $136.94
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  • Koch Multi-Pleat XL8-HC 102-701-029
    High Capacity Filter
    20″ x 24″ x 4″ (3-Pack)

    $113.21
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  • Koch Multi-Pleat XL8-SC 102-700-029
    Standard Capacity Filter
    20″ x 24″ x 4″ (3-Pack)

    $89.43
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  • Silver 94% 4″ Electrostatic Washable HVAC Furnace Filter 20″ x 24″ x 4″

    $137.47
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