The SteriPEN Replacement Cartridge for the Pre-Filter and FitsAll Filter helps remove dirt and sand before you purify your water of bacteria with the SteriPEN, for more effectively clean water. Changing your cartridge on a regular schedule will greatly improve the performance of your SteriPEN. Filter water wherever you go with confidence, knowing that it will both look and taste better.
- Prefiltering sediment reduces turbidity, increasing the effectiveness of SteriPEN purification
- Reducing particulates also makes for a more enjoyable drinking experience
- Adaptable for both pour-through and immersion filtering
- Small size and great price means you can keep an extra on hand
- Genuine OEM Product