The ÖKO 650 ml filter bottle lets you drink directly from a freshwater source — rivers, lakes, fountains or any other water point. Its compact size is ideal for short hikes, daily commutes, travel and any outing where every gram matters.
It's simple to use: just fill the bottle, squeeze and drink. Filtration is instant — no chemicals, no electricity, no waiting. With a flow rate of around 2 litres per minute, you can stay hydrated quickly on the go.
The Level II filter uses electro-adsorption technology that attracts and captures contaminants via a positive electrical charge. It acts against bacteria, viruses, protozoa, microplastics, PFAS, heavy metals and certain pharmaceutical residues. Its effectiveness can reach 99.9999% against the most common contaminants.
The filter can treat up to 400 litres of water, depending on source water quality. The ÖKO Counter mobile app lets you track refills and monitor filter wear over time. When flow rate slows down, the cartridge can be replaced to extend the life of your bottle.
Made from BPA-free polypropylene, the bottle body is dishwasher-safe once the filter has been removed. The filter itself should be rinsed with clean water only — no soap.
Its main advantage over the 1-litre version is its smaller footprint. It fits more easily into a small bag or pouch while maintaining the same filtration capacity of up to 400 litres.
The ÖKO 650 ml filter bottle offers:
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