LifeStraw has been a longtime favorite here at HuffPost, loved by readers and staff alike. Senior Staff Writer (and resident tastemaker) Lourdes Avila Uribe called the OG filter “surprisingly chic,” and shockingly effective and easy to use — even for “city-dwelling, indoor gals” that don’t camp. The new and improved Peak series offers more filtering options than the OG, while maintaining the same 2-ounce weight. So whether you frequently sleep in tents or just like being prepared, this on-sale filter is a smart summer buy, especially at $16.44.

While the OG LifeStraw can only be used as a straw, the Peak can be used to filter water between bottles.

While all models offer the same impressive filtration, removing 99.99% of bacteria, parasites and microplastics from any fresh water, the Peak straw is made to filter more water, faster.

You’ve got a more ergonomic shape and grip, an upgraded “flow rate” that makes it quicker to sip with and a redesigned membrane that clogs less, making filtration more streamlined — no pun intended.

Of course, the biggest upgrade with this gadget is the new removable threaded bottom that lets you attach the filter directly onto water bottles. Whereas the OG straw filters water as you’re drinking it from a source, i.e., you need to manually be sipping it the whole time, the Peak can filter water between two bottles, no sipping necessary. This ingenious upgrade lets you easily fill water bottles with clean water when you’re on the go, putting the clean water into a vessel, not into someone’s mouth.