The 8171413 and 8171414 are interchangeable, so you can use either filter in your fridge.
| 8171413 Whirlpool / KitchenAid Refrigerator Ice & Water Filter | |
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| 8171414 Whirlpool / KitchenAid Refrigerator Ice & Water Cyst Filter | |
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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
