Ultra refills last for 6 months per cartridge. Order one cartridge for 6 months or get additional savings by purchasing two for the year! Cartridges are easy to replace - no plumber needed for great-tasting and safe water. Each filter provides you with approximately 2500 - 3000 liters of water!
Approximate Cost from .014 cents to .018 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