Which Alter Ego model should I choose, Outdoor or Globetrotter?

The Alter Ego Outdoor comes with the Outdoor water filter cartridge (99.9%) and is ideal to fulfill all of your urban and backcountry needs in developed countries where viruses and water-born pathogens are not a problem. It removes up to 99.9% (Outdoor filter) of water contaminants and micro-organism such as Giardia and Cryptosporidium but is ineffective against viruses and bacterias. The Outdoor filter is perfect to drink from most rivers, streams and lakes. The water should always be relatively clear and moving, not stagnant.

The Alter Ego Globetrotter comes with the Globetrotter water filter cartridge (99.9999%) that will keep you safe when your journey brings you in remote places and developing countries where the water can become a deadly poison. The added iodinated resin makes it a water purifier ideal for rivers, steams and lakes where the water may be stagnant or severely contaminated, and for emergency purposes. It removes up to 99.9999% of water contaminants including viruses and bacterias.

Most people will use the Outdoor filter cartridge on a daily basis, at home, at work or on the go and they will switch to the Globetrotter filter cartridge whenever they decide to go on a backcountry safari.

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