About This 0.1μm ACF+UF Filters: Engineered with two filters of protection, ACF (Activated Carbon Fiber) + UF (Ultrafiltration) filters tackle ANY water challenge. Our C3 Filtered Water Bottle features a 6-STAGE ADVANCED FILTRATION that transforms water into hydration, and the ACF filter lasts up to 132Gal/500L, while the UF filter provides an impressive 1057Gal/4000L lifespan with filter time-marking ring to rotate to your start month, tracking filter usage. SGS Tested & Certified: Against NSF/ANSI Standard 42/53/P231. Removes 99.9999% Escherichia Coli, Klebsiella Pneumoniae, etc. , 99.12% Turbidity, 99.93% Bacillus Subtilis, etc. , 99.97% microplastics, 99% chlorine. Suitable for indoor and outdoor water. Report No. NBF25-0003761-01/02/03/04. BPA-Free Materials: Crafted with BPA-free Tritan plastic. And our Tritan filtration water bottle is more shatter-resistant than conventional ones. (PLEASE NOTE: C3 filtered water bottle may require more suction than standard bottles due to its multi-layer filtration system.) Leakproof & Adventure: Engineered with the leakproof lid, durable handle and anti-slip grip, this water bottle survives rugged trails, gym bags, or car cupholders. The entire water bottle (except the filter) is dishwasher. Enjoy hydration for hiking, camping, or daily commutes. Filtered Water Bottles for Travel: The water bottle with filter is convenient to carry and can filter water from rivers, lakes, and tap water into drinking water in harsh outdoor conditions, making it the perfect companion for outdoor hiking, camping, and travel. Overview Brand : Membrane Solutions Special Feature : Portable Material : Plastic Capacity : 1057 Gallons Included Components : ACF Filter Cartridge X3 Package Information : Bottle Installation Type : Countertop Purification Method : Activated Carbon, Ultra Filtration Power Source : Manual Operation Model Name : C3 Filter