Cart Continue shopping “18x20x1 Pleated AC Filter Furnace Filter NORDIC” has been added to your cart. Product Price Quantity Subtotal × 14x25x1 Pleated AC Filter Furnace Filter NORDIC $42.95 14x25x1 Pleated AC Filter Furnace Filter NORDIC quantity $42.95 × 16x25x5 (4 3/8) Honeywell/Lennox Replacement AC Filter Furnace Filter NORDIC $52.95 16x25x5 (4 3/8) Honeywell/Lennox Replacement AC Filter Furnace Filter NORDIC quantity $105.90 × 18x20x1 Pleated AC Filter Furnace Filter NORDIC $46.95 18x20x1 Pleated AC Filter Furnace Filter NORDIC quantity $46.95 Coupon: Apply coupon Update cart Cart totals Subtotal $195.80 Tax $0.00 Total $195.80 Proceed to checkout — OR —