Cart Continue shopping “20″ C. Activated Carbon Block Cartridge 0.5 IDIF01B05 $2.70/ea $2.70” has been added to your cart. Product Price Quantity Subtotal × 10" C. Activated Carbon Block Cartridge 0.5 IDIF01BB05 $5.40 10" C. Activated Carbon Block Cartridge 0.5 IDIF01BB05 quantity $5.40 × 20" C. Activated Carbon Block Cartridge 0.5 IDIF01B05 $2.70/ea $2.70 $2.70 20" C. Activated Carbon Block Cartridge 0.5 IDIF01B05 $2.70/ea $2.70 quantity $2.70 Coupon: Apply coupon Update cart Cart totals Subtotal $8.10 Total $8.10 Proceed to checkout