Time for a cartridge replacement? Youre in the right place. Smart Carbon Cartridges use the highest-quality coconut-shell-based activated carbon to filter 99.99% of contaminants. Product description: Weve created our Smart Cartridges from activated carbon using the highest-grade coconut shells (CTC 60) to create a dense, porous structure that removes 99.99% of parasites, heavy metals, chemicals and other contaminants - without removing the nutrients your body needs. Traps physical contaminants more than 20 times smaller than jug filters. Our Smart Carbon Cartridges are highly dense, with a Silver-impregnated to prevent bacteria growth keeping your water safer for longer. Fuses natural force of gravity with the highest-grade environmentally-friendly materials for the most effective, sustainable and durable filtration on the market. External Testing Certificate: NSF Designed for durability Our activated carbon cartridges are designed for minimum replacement, and can last up to 20000 litre for pair. Need replacing only once per year Two-stage filtration at its finest Stage one: Tortuous Path Activated carbon creatives a tortuous path that contaminants like microplastics, cysts and bacteria cannot pass through Chemicals like chlorine, lead, pesticides and more are absorbed by activated surface Stage Two: Sterilising Impregnated silver sterilises water and prevents growth of bacteria or mould Two-stage filtration at its finest Stage one: Tortuous Path Activated carbon creatives a tortuous path that contaminants like microplastics, cysts and bacteria cannot pass through Chemicals like chlorine, lead, pesticides and more are absorbed by activated surface Stage Two: Sterilising Impregnated silver sterilises water and prevents growth of bacteria or mould Whats in the box? 2 x Smart Carbon cartridges