20x24x4
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20X24X4 MicroMAX Air Filter – MERV 13, Galv Frame, Koch 120-731-003
$670.59 per 3 pcs ($223.53 each) -
Koch 102-680-029 Antimicrobial Treated Air Filter – MicroSafe, 20x24x4
$163.68 per 6 pcs ($27.28 each) -
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Koch 102-500-129 – 20x24x4 High-Capacity Heavy-Duty Air Filter, MERV 11
$229.38 per 6 pcs ($38.23 each) -
Koch 102-714-129 – 20x24x4 High-Capacity Heavy-Duty Air Filter, MERV 13
$616.08 per 6 pcs ($102.68 each) -
Koch 102-701-129 – 20x24x4 High-Capacity Heavy-Duty Air Filter, MERV 8
$208.86 per 6 pcs ($34.81 each) -
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