iSpring IFS-B Personal Water Filter Straw, Replaceable Advanced Filter, Removes Micro-organisms & Lead, SGS-Tested BPA-Free, Ultralight Portable Purifier for Emergency, Survival, and Hiking

Advanced Dual-Layer Virus & Lead Removal: Outperforming standard hollow fibers, iSpring electro-positive membrane removes viruses and lead via electro-adsorption. This water filter straw is SGS-tested for high-efficiency microorganism reduction – ideal for emergency kits, international travel, and backcountry use Superior Taste with Solid CTO Block: Unlike loose carbon granules, the integrated solid CTO carbon block effectively adsorbs odors and chemicals, delivering crisp, fresh-tasting water from any lake or stream. No more plastic or chemical aftertaste Washable & Replaceable Cartridge for True Hygiene: The only personal filter designed for real hygiene. Remove, wash, and store the replaceable element in the refrigerator to prevent mold. A sustainable choice for long-term outdoor use Anti-Clog Design & Ultralight(99g): Engineered for reliability – this water filter straw resists clogging and maintains high flow rates (up to 1.5 liters per minute). Weighs just 99g, BPA-free, and built rugged for hiking, camping, and bug-out bags 3-in-1 Versatile Survival Filter: Adapt instantly: drink directly, use the extension hose, or screw onto standard 28mm (1.1-inch) soda bottles to create a squeeze system. A compact, all-in-one water filter straw for your backpacking gear and emergency kit