Product DetailsIt's time to stop carrying around a bag of plastic parts and multiple water bottles. LifeStraw's Peak compact squeeze filtration is an all-in-one water storage and filtration device. Made from premium materials, it's durable enough to last you on your long-haul adventures without having to worry about rips, tears, and punctures. Ultralight and collapsible at less than 4 ounces, you can grab and go, using as a straw filter, storage solution, squeeze system or connecting to other Peak Series systems to best fit your adventure. The filter membrane density has been optimized for flow rate and the over-cap features and smart seal mouthpiece prevent leakage.Robust carrying feature makes it easy to connect to your pack with a carabiner or ropeEnhanced microfilter performance: Our re-engineered membrane and custom backwash accessory means better performance against sand and silt, maintaining great flow over the long haulBackcountry versatility for trail running, through hiking and limited space adventures! Protects against bacteria, parasites, microplastics, silt, sand, and cloudinessUltra-compact, our reconfigured filter is tiny but mighty with a super packable kit that doesn't sacrifice weight or spaceExtreme durability: 2x thicker, premium materials make it tougher and ultra leak-proofHighly versatile means the collapsible squeeze bottle system is designed with every occasion in mind. Use as a bottle, squeeze water through it into cooking containers or other drinkware, use as a straw, remove the filter to use as a storage system, or connect to other Peak Series systemsMembrane microfilter lasts up to 2,000 L (500 gallons)Additional Filtration SpecificationsMeets US EPA & NSF P231 drinking water standards for the removal of bacteria and parasitesBPA Free, FDA approved, premium materials Includes: LifeStraw Peak Series 650ml collapsible squeeze bottle with screw-top cap and tether, backwash accessory, user manualTechnical SpecsBest UseBackpacking/camping/travelFilter MaterialMembrane MicrofilterLongevity Lasts up to 500 gal | 2,000 L of waterFlow Rate 3L / minWeight 3.2 oz | 102 g Dimensions 4.1 x 10 in | 10.4 x 25.4 cm Shipping Time: Orders processed and shipped within same day, or next business day of placement date. Shipped from Arizona. Delivered in 2-6 days with FREE GROUND SHIPPING on all orders over $99 that ship within the 48 contiguous United States. Additional shipping options available.