Eco Pro Compact filter catridges last one month or approximately 300 L of water, depending on consumption. Order 6 month or 12 months of water filter cartridges. 
Approximate Cost from .038 cents - .044 cents per liter 
Removes or reduces chemical organic material, chlorine, chlorine byproducts (VOC's, THMs, HAAS etc) taste, odour, pesticides, herbicides, PFAS, heavy metals including lead, copper, mercury and more for over 100+ contaminants. 
The filter cartridge incorporates a 5-stage Ultra Filtration Technology based on activated carbon, hollow fiber and calcium sulfite resulting in a better taste and smell. Meets NSF/ANSI 42 & 53 standards
6L a day change your filter every 2 months
12L a day change your filter every month
Independently tested