Cart Continue shopping “16x20x4 (3-5/8) Pleated AC Filter Furnace Filter NORDIC” has been added to your cart. Product Price Quantity Subtotal × 20x20x1 Pleated AC Filter Furnace Filter NORDIC $43.95 20x20x1 Pleated AC Filter Furnace Filter NORDIC quantity $43.95 × 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 $79.90 Tax $0.00 Total $79.90 Proceed to checkout — OR —