Shopping Cart Continue shopping “DP40 MAX Pleated Filters: 18x24x4” has been added to your cart. Remove item Thumbnail image Product Price Quantity of Filters Subtotal × MERV 13 DP G13een: 18x20x1 $125.97 /case of 12 MERV 13 DP G13een: 18x20x1 quantity 1224364860728496108120 $125.97 × MERV 13 DP G13een: 18x25x1 $149.13 /case of 12 MERV 13 DP G13een: 18x25x1 quantity 1224364860728496108120 $149.13 × DP40 MAX Pleated Filters: 18x24x4 $129.56 /case of 6 DP40 MAX Pleated Filters: 18x24x4 quantity 6121824303642485460667278849096102108114120 $129.56 Update cart Cart totals Subtotal $404.66 Shipping Free shipping Shipping to MA. Tax $25.29 Total $429.95 Proceed to checkout