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The longer water remains in contact with our filter media
providing a safe and reliable source of hydration
They remind us that you don't have to live by the ocean to care about it because we’re all upstream
Independently certified across the globe in both field and laboratory tests
Nano XP Replacement Cartridge Only (No Encasement) nalgene water bottle with filter The longer water remains inThis item is the replacement cartridge only. It fits inside the full Nano XP Filter with the encasement. Please do not purchase a "Filter Cartridge" if you don't have the outer casing for the Nano XP filter. The Nano XP Filter is our most advanced design yet, featuring double layer nano pleated media for twice the surface area and a 30% faster flow rate. Independently tested to NSF ANSI Standards 42, 53, 401, P231, and P473, it removes over 70+
