Key Features

• ULTRA-LIGHT & TRAVEL-READY: Weighing only 2 oz and measuring 6 inches, this compact water filter easily fits into your pocket, backpack, or emergency bag. Designed for outdoor use, it’s the perfect grab-and-go hydration tool for hiking, travel, camping, or off-grid situations where space and weight matter.
• EFFECTIVE 2-STAGE FILTRATION: This water purification straw features a multi-layer filter and a durable BPA-free ABS shell, helping to reduce sediment and enhance taste from natural water sources. With no batteries or pumps required, it offers easy, reliable hydration wherever your outdoor journey takes you.
• YOUR ULTIMATE SURVIVAL GEAR COMPANION: Delivers clean water instantly at a 400ml/min flow rate, so there’s no waiting, squeezing or second-guessing. Whether you’re crossing rugged terrain or responding to disaster, hydration shouldn’t be hard. Just sip and survive - without dehydration slowing you down.
• BUILT TO OUTLAST THE WILD: This water filteration straw delivers up to 1000 liters (260 gallons) of use — with no moving parts and no need for electricity. If unopened, it can be stored in dry and ventilated environment for 5 years. If opened and used, it can be stored in dry and ventilated place for 3 years (recommended to replace in one year after being opened). A perfect choice for outdoor adventures, emergency kits, or long-term storage when every drop matters.
• POCKET-SIZED POWER YOU CAN TRUST: Tested for durability, portability, and real-world use, the Sierra Madre pure water straw offers a simple, compact alternative to bulky water filtration systems or bottles. Whether you're out on a family hike or building a basic safety kit, this lightweight straw is built to support hydration when it matters most — no hassle, no heavy gear

Specifications