Cart Continue shopping “16x20x4 (3-5/8) Pleated AC Filter Furnace Filter NORDIC” has been added to your cart. Product Price Quantity Subtotal × 20x20x4 (3-5/8) Pleated AC Filter Furnace Filter NORDIC $36.95 20x20x4 (3-5/8) Pleated AC Filter Furnace Filter NORDIC quantity $36.95 × 20x25x5 Air Bear Pleated AC Filter Furnace Filter NORDIC $55.95 20x25x5 Air Bear Pleated AC Filter Furnace Filter NORDIC quantity $55.95 × 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 $128.85 Tax $0.00 Total $128.85 Proceed to checkout — OR —