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The LifeStraw Peak Series is a personal filter straw that removes bacteria, parasites, microplastics, silt and sand from drinking water. It is a redesign of the original LifeStraw with a grippier body, tougher leak-proof materials and a removable threaded bottom cap that lets it screw onto water bottles or standard gravity hoses. The membrane microfilter is rated for up to 1,000 gallons (4,000 L), and it has no shelf life, so it can sit in a go-bag for years. It suits hikers, backpackers and emergency-preparedness kits; against rivals like the Sawyer Squeeze or Katadyn BeFree it is simpler to use but does not squeeze or gravity-feed on its own without the hose setup.
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Owners treat the Peak Series as a reliable, packable backup filter and like the bottle and gravity-hose compatibility. Some find the draw effort noticeable and the flow rate drops with heavy sediment, but most consider it a solid upgrade over the original straw.
The LifeStraw Peak Series is a personal water filter straw for backup hydration, emergencies and outdoor use. It filters out bacteria, parasites, microplastics, silt, sand and cloudiness. You can drink straight from lakes, rivers and streams, or fill a container and sip through the straw.
It is made from premium materials that are durable and leak-proof, with no extra parts to keep track of. The microfilter is designed to reduce clogging from sand and silt, which helps keep the flow rate up. The straw weighs 2 ounces and has an unlimited shelf life, so it can sit unused in an emergency bag.
A removable threaded bottom cap lets you attach the straw to water bottles and to standard gravity hoses. The membrane microfilter lasts up to 1,000 gallons (4,000 L), enough drinking water for one person for over 5 years. It has been tested to meet drinking water protocols set by the US EPA and NSF International/ANSI.
