Life is approx 3-9 months on average depending on water quality & consumption.
Raintank, Bore and River, etc: No less than 2x per year
Town Water Supply: 1x per year - may need changing after heavy rain events
These time frames can alter depending on environmental factors such as:
- High Pollen Seasons
- High Dust Areas
- After area spraying
- After heavy rain events
- After contamination
These are high quality filters which are safe for use with drinking water. Please ensure if you are making comparisons you check filters are of high quality and certified as there are many cheap filters on the market which may actually contaminate your water due to their poor quality