Our CB Series carbon block filters are manufactured with high purity Coconut Shell activated carbon. With high chlorine reduction, great dirt-holding capacity, and greatly reduced carbon fines, you will soon make the CB series your carbon block of choice.
If the items in your order qualify for 'Free Shipping' and total $50.00 or more, your order ships FREE* and is applied to your cart at checkout!
Learn more about our shipping policy to Alaska, Hawaii, and International shipping here.
*Free shipping to the Contiguous United States. (Lower 48 states only. Does not include Alaska or Hawaii.)