Shopping Cart Continue shopping “4L580” has been added to your cart. Remove item Thumbnail image Product Price Quantity of Filters Subtotal × Airguard Fresh Air Carbon Pleated Filters: 18x20x2 $252.94 /case of 6 Airguard Fresh Air Carbon Pleated Filters: 18x20x2 quantity 6121824303642485460667278849096102108114120 $1,517.64 × Airguard Fresh Air Carbon Pleated Filters: 16x20x4 $356.45 /case of 6 Airguard Fresh Air Carbon Pleated Filters: 16x20x4 quantity 6121824303642485460667278849096102108114120 $2,138.70 × Facet Aire Polyfiber Panel Filters: 24x24x2 $130.87 /case of 12 Facet Aire Polyfiber Panel Filters: 24x24x2 quantity 1224364860728496108120 $1,570.44 × MERV 13 DP G13een: 16x20x4 $198.71 /case of 6 MERV 13 DP G13een: 16x20x4 quantity 6121824303642485460667278849096102108114120 $1,192.26 × DP40 MAX Pleated Filters: 18x20x1 $85.91 /case of 12 DP40 MAX Pleated Filters: 18x20x1 quantity 1224364860728496108120 $1,030.92 × MERV 13 DP G13een: 18x25x2 $276.36 /case of 12 MERV 13 DP G13een: 18x25x2 quantity 1224364860728496108120 $3,316.32 × 4L580 $15.42 4L580 quantity 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120 $15.42 Update cart Cart totals Subtotal $10,781.70 Shipping Free shipping Shipping to MA. Tax $673.85 Total $11,455.55 Proceed to checkout