Prepare to performFOR THE MISSION

About Katadyn

Trusted since 1928, Katadyn develops Swiss-engineered water treatment, nutrition and cooking solutions for the world’s toughest conditions. From humanitarian operations to expedition and outdoor use, Katadyn helps people stay prepared for the mission ahead.

  • Founded

    1928

  • Missions

    Globally

For the mission

The mission is not only about where you are headed. It is about being ready for what comes next. With trusted water, food and gear, Katadyn helps people perform in the world’s most demanding conditions.

Secure every drop

Two mountaineers in red gear climbing a snow-covered rocky ridge

Filter

Katadyn delivers reliable, sustainable, and simple solutions for safe drinking water, anywhere. Whether in the outdoors, at sea, or in emergency, humanitarian, tactical, or industrial environments, Katadyn turns water into a trusted resource.

Katadyn BeFree AC Bottle

Safe, great-tasting water, anywhere.

The Katadyn BeFree AC Bottle 0.7L is a lightweight, fast-flow filtration bottle designed for people on the move - whether in the outdoors or everyday life. Its 2-stage filtration system combines a hollow fiber filter that removes bacteria, protozoa, and microplastics with activated carbon that improves taste.

BeFree AC Bottle 0.7L

BeFree Water Filter Bottle close-up of the hollow fiber filter and activated carbon components
BeFree Water Filter Bottle being used to fill a hydration bladder from a mountain stream

The Katadyn BeFree AC Bottle 0.7L is a lightweight, fast-flow filtration bottle designed for people on the move—whether in the outdoors or everyday life. Its 2-stage filtration system combines a hollow fiber filter that removes bacteria, protozoa, and microplastics with activated carbon that improves taste.

Filter Lifetime

Up to 1.000L

Activated Carbon

Up to 200L

Squeezable

Fast flow rate

BeFree AC Bottle 0.7L
Katadyn BeFree AC Bottle 0.7L water filter

Katadyn Explorer Pro PurifierWater Filter

Trek 'n Eat freeze-dried meal pouch being prepared with hot water in an outdoor setting
Selection of Trek 'n Eat meal varieties laid out on a wooden surface
Trek 'n Eat freeze-dried meal ready to eat in an outdoor environment

The Katadyn Explorer Pro Purifier is built for those who go further — from remote expeditions to demanding global travel. Engineered for uncompromising protection, it delivers reliable purification from challenging water sources by removing bacteria, protozoa, viruses, and microplastics.

Purification Performance

Removes bacteria

Filter Lifetime

Up to 1,000L

Reliable Protection

International travel

With robust performance, intuitive handling, and trusted Katadyn technology, the Explorer Pro gives you the confidence to drink safely, even in the most demanding environments.

Katadyn Explorer Pro PurifierWater Filter
Trek 'n Eat thumbnail showing a freeze-dried meal pouch

Engineered for every occasion

Two mountaineers in red gear climbing a snow-covered rocky ridge

Technology

The Optimus Gemini II is a compact dual-burner stove designed to bring full cooking capability outdoors.

The Gemini II expands Katadyn’s portfolio with a fold-flat design that supports compact transport without compromising performance. Weighing 28.9 ounces, the stove fits easily into a pack while delivering controlled heat for a wide range of cooking applications.

Close-up of the Optimus Gemini II flame control valve and burner mechanism

Precise Flame Control

The Optimus Gemini II cooks real meals anywhere, with two powerful burners and steady, reliable heat.

Optimus® Gemini IIDouble-burner stove

Optimus Gemini II two-burner stove, bottom view product render
Optimus Gemini II
Optimus Gemini II

The Optimus Gemini II is designed for extremely cold and harsh conditions.

Optimus® Gemini IIDouble-burner stove
Optimus Gemini II

Fuel the Mission

Climber eating a freeze-dried meal while resting in a portaledge suspended on a cliff face

Food

Katadyn's brands AlpineAire and Trek'n Eat offer lightweight, freeze-dried meals made for outdoor adventures and emergencies. They're easy to prepare with water, have long shelf lives, and provide balanced nutrition in compact form.

Ingredients

Natural

Katadyn's nutrition solutions—through brands like AlpineAire and Trek'n Eat—focus on lightweight, freeze-dried meals designed for outdoor, emergency, and self-sufficient use. These meals retain most nutrients and flavor, have long shelf lives, and are easy to prepare by simply adding water, making them ideal for expeditions or survival scenarios.

Trek 'n EatMeals

Trek 'n Eat freeze-dried meal pouch being prepared with hot water in an outdoor setting
Selection of Trek 'n Eat meal varieties laid out on a wooden surface
Trek 'n Eat freeze-dried meal ready to eat in an outdoor environment

No matter how you enjoy your outdoor experience, the next meal is always something to look forward to. Lightweight, convenient and easy are priorities and we have those nailed. The high quality Trek'n Eat products are made in Germany, are waterproof and resealable and simply delicious.

Trek 'n EatMeals
Trek 'n Eat thumbnail showing a freeze-dried meal pouch

AlpineAireNutrition Solutrion

Trek 'n Eat freeze-dried meal pouch being prepared with hot water in an outdoor setting
Selection of Trek 'n Eat meal varieties laid out on a wooden surface
Trek 'n Eat freeze-dried meal ready to eat in an outdoor environment

At AlpineAire Foods our passion for food is only exceeded by our thirst for adventure. Since 1979, we have worked with only the finest ingredients to create healthy, easy-to-prepare, tasty and nutritious meals of the highest quality, giving you the right energy for your next adventure.

AlpineAire produces all-natural, freeze-dried instant meals, side dishes, breakfasts, soups and desserts. We also offer an ever expanding variety of tasty Gluten Free options, so there is something for every palate and dietary choice.

AlpineAireNutrition Solutrion
Trek 'n Eat thumbnail showing a freeze-dried meal pouch
Katadyn - Water Filters & Purification Systems