Waterwise 9000 6-Pack Filter Cups and Kleenwise Combo Pack Includes 6 Filters for Waterwise 9000, 7000 or PureWise W10000 AND Kleenwise Distiller Cleaner Package of 6 Filters for Waterwise 9000, 7000 or PureWise W10000 Carbon cup is good for approximately 2 to 3 months (60 - 80 gallons). Kleenwise Distiller Cleaner / De-Scaler 40oz Container --- About 1 years supply Contents are Sulfamic and citric acid - Naturally Biodegradable