Cart Continue shopping “20x20x5 (4 3/8) Honeywell/Lennox Replacement AC Filter Furnace Filter NORDIC” has been added to your cart. Product Price Quantity Subtotal × 16x24x1 Pleated AC Filter Furnace Filter NORDIC $43.95 16x24x1 Pleated AC Filter Furnace Filter NORDIC quantity $43.95 × 20x20x5 (4 3/8) Honeywell/Lennox Replacement AC Filter Furnace Filter NORDIC $51.95 20x20x5 (4 3/8) Honeywell/Lennox Replacement AC Filter Furnace Filter NORDIC quantity $51.95 Coupon: Apply coupon Update cart Cart totals Subtotal $95.90 Tax $0.00 Total $95.90 Proceed to checkout — OR —