Membrane Solutions Personal Water Filter Straw S1(2P) Filtered Water Bottle 36Oz BPA-Free Plastic Water Bottles with 6-Stage 0.1μm Filtering | Portable for Survival, Camping, Hiking, and Emergency Use

About this item

• Drink Anywhere, Certified by Science - This survival-grade straw filter meets strict NSF/ANSI 42, 372, 401 standards (Test Report: NBF21-004693-01). It instantly removes 99.9999% of total coliforms (including E. coli and other representative organisms). Your ultimate protection for hiking, international travel, or emergency preparedness.
• Triple NSF Certified for Complete Reliability & Superior Taste​​ - Breathe easy with every sip. Our straw is independently certified to ​​NSF/42​​ (for chlorine & taste improvement), ​​NSF/372​​ (lead-free materials), and ​​NSF/401​​ (reducing microplastics and particulate). This triple verification guarantees you get the best-tasting water while ​​keeping​​ metals, microplastics and particulate at bay​​.
• 5-Stage Filtration - Our Upgrade 5-Stage Filtration System includes a coarse filter screen, double layer pp cotton fiber, coconut shell activated carbon and hollow fiber ultrafiltration membranes. Flexible use of threaded water inlet cap to easy backflush. (IT DOES NOT LOWER TDS VALUE, ensuring water's essential mineral balance remains untouched.)
• Upgrated High Flow Filter: Engineered high-flow Activated Carbon Block filter delivers instant water outflow with zero waiting time, and the Ultrafiltration filter cuts the taste and odor of chlorine and also reduces particulates in drinking water.
• Premium BPA-free Tritan Material: This filtering bottle crafted with BPA-free Tritan plastic support dishwasher (except filter), and the leakproof lid, durable handle & anti-slip grip are more shatter-resistant than conventional ones.