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Get the freshest, purest water possible: fresh spring or stream water filtered into a 18/8 stainless water bottle! Klean Kanteen H2O Filter Adapters are compatible with most backcountry water filters, and are designed to fit the narrow-mouthed "Classic" bottles. Pick up a 40 oz Klean Kanteen in your favorite color or raw brushed stainless finish for an all-day supply of freshly filtered water in a safe, non-leaching container....

Get the freshest, purest water possible: fresh spring or stream water filtered into a 18/8 stainless water bottle!

Klean Kanteen H2O Filter Adapters are compatible with most backcountry water filters, and are designed to fit the narrow-mouthed "Classic" bottles.

Pick up a 40 oz Klean Kanteen in your favorite color or raw brushed stainless finish for an all-day supply of freshly filtered water in a safe, non-leaching container.