Check the listing for details. Caware BLBC-10(5) 5 µ 10 inch x 4 1/2 inch Coconut Shell Carbon Block Cartridge. Condition: New. Listed at 29.99 USD. Caware BLBC-10(5) 5 µ 10-inch x 4 1/2 inch Coconut Shell Carbon Block Cartridge with Lead RemovalFeatures:Complied with ANSI/NSF42 requirementBlend Activated Carbon Block for Lead Reduction, Arsenic & Heavy Metals removal.Effective, High-Value Adsorbent For Reduction of Heavy MetalsEffective to reduce Chlorine, VOCs, Pesticides, Hazardous Chemicals, Odor removal and Taste Improvement.Low-pressure drop, high dirt holding capacity, durable physical strength, and steady flow to achieve reliable performance & long life usage.Cartridges are manufactured in compliance with NSF and FDA requirement in material and processing.Applications serve residential, commercial & industrial range with standard NPTSpecifications:Length: 10" (254mm)OD: 4 1/2" (115mm)Nominal Micron Rating: 5uM85% 2 (ppm) Chlorine R. Life span @ flow rate: 40,000 Liters @ 10 lpmInitial Pressure drop: 20,000 Liters @ 10 lpm