Cart Continue shopping “20″ C. Activated Carbon Block Cartridge 5.0 IDIF01B5” has been added to your cart. Product Price Quantity Subtotal × 20" C. Activated Carbon Block Cartridge 5.0 IDIF01B5 $2.35 20" C. Activated Carbon Block Cartridge 5.0 IDIF01B5 quantity $2.35 Coupon: Apply coupon Update cart Cart totals Subtotal $2.35 Total $2.35 Proceed to checkout