Ultralight and collapsible, it adapts to your needs—be it a straw filter, storage container, or squeeze system. Connect it to other Peak Series components for a personalized adventure-ready setup. The optimized filter membrane ensures a rapid flow rate, while the over-cap and smart-seal mouthpiece prevent leaks. Streamline your hydration experience with LifeStraw Peak.· BPA Free, FDA approved, premium materials Meets US EPA & NSF P231 drinking water standards for bacteria and parasite removal · Protects Against 99.999% of bacteria, parasites, microplastics, silt, sand, and cloudiness · Membrane Microfilter lasts up to 2,000L · Re-engineered membrane · Robust carrying features · Durable and tough · Compact design · Ultra leak-proof· Includes backwash accessory· Dimensions: 10 ... More info