PitcherPro refills come in 2, or 4 packs depending on your needs. One filter lasts for approximately 3 months with regular use. The 2 pack of filters will last for 6 months and the 4 pack for the whole year. Cartridges are a breeze to change and you'll be back to having great-tasting alkaline water in minutes!
Approximate cost from .029 cents to .033 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
Check out how our filters work and certifications here