Shopping Cart Continue shopping “MERV 13 DP G13een: 18x24x1” has been added to your cart. Remove item Thumbnail image Product Price Quantity of Filters Subtotal × Airguard Fresh Air Carbon Pleated Filters: 18x24x2 $273.45 /case of 6 Airguard Fresh Air Carbon Pleated Filters: 18x24x2 quantity 6121824303642485460667278849096102108114120 $273.45 × MERV 13 DP G13een: 18x24x1 $142.83 /case of 12 MERV 13 DP G13een: 18x24x1 quantity 1224364860728496108120 $142.83 Update cart Cart totals Subtotal $416.28 Shipping Free shipping Shipping to MA. Tax $26.02 Total $442.30 Proceed to checkout