Membrane Solutions Replacement UF & ACF Filter for C3 Filtered Water Bottle, BPA Free Camping, Hiking, Backpacking and Travel (UFx1 + ACFx2)

0.1μm ACF+UF Filters - ACF (Activated Carbon Fiber) + UF (Ultrafiltration) double filters tackle ANY water challenge. C3 Filtered Water Bottle features a 6-STAGE ADVANCED FILTRATION that transforms questionable water into reliable hydration. The ACF filter lasts up to 500L, while the UF filter provides an impressive 4000L lifespan. SGS Tested - 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. Wise Pack - This pack was UF filter x1 + ACF filter x2, we suggest change UF filter in a year and ACF filter in 4-6 months uses. The pack can provide supply for a year's use of cartridges. BPA-Free Materials - The whole filter was crafted with BPA-free materials, so you can filter water without concern. The outdoor water bottle can filter water from rivers, lakes, and tap water into drinking water even in harsh outdoor conditions.