Shopping Cart Continue shopping “MERV 13 DP G13een: 18x20x1” has been added to your cart. Remove item Thumbnail image Product Price Quantity of Filters Subtotal × Airguard Fresh Air Carbon Pleated Filters: 20x20x2 $228.48 /case of 6 Airguard Fresh Air Carbon Pleated Filters: 20x20x2 quantity 6121824303642485460667278849096102108114120 $228.48 × Facet Aire Polyfiber Pane Filters: 20x20x2 $109.76 /case of 12 Facet Aire Polyfiber Pane Filters: 20x20x2 quantity 1224364860728496108120 $109.76 × MERV 13 DP G13een: 18x20x1 $125.97 /case of 12 MERV 13 DP G13een: 18x20x1 quantity 1224364860728496108120 $125.97 Update cart Cart totals Subtotal $464.21 Shipping Free shipping Shipping to MA. Tax $29.01 Total $493.22 Proceed to checkout