Add an advanced LifeStraw filter to your favorite reusable water bottle with this adapter kit featuring a LifeStraw filter and 2 caps that fit most narrow and wide mouthed water bottles.

• Protects against bacteria, parasites and microplastics, chemicals like chlorine and improves water taste
• Advanced water filter kit includes replaceable water filter, two cap sizes (narrow and wide mouth), standard and sports mouthpieces, and a leak-proof lid
• Compatible with most Nalgene, Camelbak, Hydroflask, and Klean Kanteen, and other water bottle models
• Sustainable: lifetime filtration of 1,000 gallons (4,000 liters) – equivalent of 8,000 single use plastic water bottles
• This product gives back: one product, one school child, one year of clean water