Advanced Filtration: Our 5-Stage Ion Exchange Filter removes virtually all dissolved solids (TDS) for the purest tasting water; Total Dissolved Solids are organic and inorganic materials, such as metals, minerals, salts, and ions dissolved in water.
5-stage
SurviMate 5-Stage 0.01m Ultra-Filtration Filtered Water Bottle, BPA-Free Material, NSF/ANSI 42&372 Certified, Portable Water Filter Bottle for Survival, Camping, Hiking, and Emergency Use
[Smaller Filter Pore Size] – Featuring a 0.01-micron hollow fiber UF membrane, the filter removes 99.99% of harmful substances from water, surpassing the 0.2-micron pore size typically found in other brands. The smaller pore size ensures higher filtration precision, delivering cleaner and safer drinking water.