Stage 2 filter cartridge life expectancy
18 months average cartridge life

The benefits you will enjoy using the new Optima water filter replacement cartridges are:
35% more filtration media
This means the water will have longer contact time with the water being filtered, hence delivering you better quality drinking water;
Flow Controlled Water
The Optimas cartridges have been made with a unique flow pattern. This can be seen by the use of an inlet lug on the carriage head and an outlet lug on the cartridge head. This ensures a regulateed flow pattern throughout the cartridge and guarantees 100% contact with the filter media;
Certification
The Optima comes with the NSF 53 verification.This ensures it is of the highest quality as this USA benchmark is the highest certification a system can attain in water quality filtration.

How effective is the Optima?
We guarantee the Optima will effectively remove the following:
99% giardia
99% cryptosporidium
99% chlorine
99% taste and odour
96% chemicals
99% allergens and pollens
94% heavy metals