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Breathe new life into your SteriPEN Water Bottle Pre-filter with the Pre-filter Screen Replacement. Easy to install, the screen enables you to filter the particulates that inhibit the SteriPEN's ability to safely and effectively treat water.
- Fits SteriPEN Water Bottle Pre-Filter.
Likes: A SteriPEN Pre-Filter Screen is an absolute must on your Nalgene bottle when filling your bottle.Screening out debris,so your SteriPEN can do its job of purifying your drinking water.