LifeStraw Universal - Life Straws Personal Water Filter Adapter Kit - YouTube
Review: The LifeStraw Universal Adaptor Kit - Outdoors with Bear Grylls
Outdoor Pleasure - Add an advanced LifeStraw filter to your favorite reusable water bottle with the LifeStraw Universal Water Bottle Adapter Kit which includes a LifeStraw filter and 2 caps that fit
Tested: 6 Compact Water Filters for Backcountry Mountain Biking - Singletracks Mountain Bike News
LifeStraw Universal Water Bottle Filter Adapter Kit LSUN02FK01 - The Home Depot