Cart Continue shopping “16x20x4 (3-5/8) Pleated AC Filter Furnace Filter NORDIC” has been added to your cart. Product Price Quantity Subtotal × 18x20x1 Pleated AC Filter Furnace Filter NORDIC $46.95 18x20x1 Pleated AC Filter Furnace Filter NORDIC quantity $46.95 × 12x24x1 Pleated AC Filter Furnace Filter NORDIC $41.95 12x24x1 Pleated AC Filter Furnace Filter NORDIC quantity $41.95 × 16x20x4 (3-5/8) Pleated AC Filter Furnace Filter NORDIC $35.95 16x20x4 (3-5/8) Pleated AC Filter Furnace Filter NORDIC quantity $35.95 Coupon: Apply coupon Update cart Cart totals Subtotal $124.85 Tax $0.00 Total $124.85 Proceed to checkout — OR —