This includes a large Stainless Steel Infuser and two refills, ill purify, mineralize and alkalize 200 gallons (900 litres) of water typically 6 month supply of a combination of our Premium Grade Binchotan Style Activated Charcoal and our Confluent Collection of Calcite mineralizing and alkalizing stone. Specifically sized to purify, mineralize, alkalize and a 10-20 Litre water container. The combined packages are rated to purify 200 gallons (900 litres)