The 8171413 and 8171414 are interchangeable, so you can use either filter in your fridge.
What's the difference between these filters?
As you can see from the chart, the 8171414 filter removes more contaminants from your water.
For example, the 8171414 filter removes 99.99% of all cysts from your water, while the 8171413 filter removes none.
| Contaminant | Regular 8171413 |
Cyst 8171414 |
| Cysts | --- | 99.99% |
| Lead | --- | 99.3% |
| Particulates | --- | 99.9% |
| Turbidity | --- | 99.5% |
| Chlorine | 99% | 97% |
Both filters leave beneficial Fluoride in the water
