Katadyn BPA-Free MyBottle
Water Filter Bottle

The Ingenious Water Bottle with a Virus Filter

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There is no better water bottle than the Katadyn MyBottle! In addition to being BPA Free, which is often the only thing that other bottles offer, the MyBottle is also a water purifier. In fact according to Katadyn, it is the only EPA registered bottle purification system available to date. It is 1n a class by itself. Simply fill the bottle with water, insert the purification system and drink from virtually any water source. It removes all viruses, bacteria, and cysts from water plus the integral carbon cartridge reduces chemicals and makes water taste better. As always, each MyBottle includes a drinking straw to use as your everyday bottle if the source water is already safe to drink.

You can bring your MyBottle with you on vacation and simply use it to drink water from the tap in any country you travel to. If it is the only thing you have in an emergency, then you can consider yourself as having water.

Detailed Katadyn MyBottle Specs

Technology 3 Stage ViruStat purification technology, including granular activated carbon and 0.3 micron pleated glassfiber microfilter
Effect Eliminates viruses*, bacteria*, protozoa*, and cysts. Reduces chemicals and improves smell and taste
Material Plastic (BPA-free), glassfiber, activated carbon, iodinated resin
Bottle Capacity (gal) 700 ml after cartridge displacement
Bottle Capacity (L) 24 oz after cartridge displacement
Cartridge Capacity (gal) up to 26 gallons depending on water quality
Cartridge Capacity (L) 100 liters depending on water quality
Height (cm) 26.5 cm
Height (in) 10" 
Output (gal) up to 1 quart/min
Output (L) up to 1 L/min
Weight (grams) 260
Weight (oz) 10
Guarantee 2 years
Accessories Prefilter, bolttle adaptor and carry bag

* Viruses (99.99%), bacteria (99.9999% Klebsiella terrigena), and
protozoa (99.9% Giardia and Cryptosporidium)

The Katadyn MyBottle virus filter is based on a multistage filter system. The first stage is an integrated 0.3 micron preliminary glass fiber filter which removes bacteria and protozoa such as giardia and ameba as well as all particles larger than 0.3 micron.

The second stage is the new ViruPur 3-layer filter medium which adsorbs viruses and minute particles on the basis of electrokinetic in-depth filtration. This is possible due to the differences in the electric charges of the materials. Whereas the aluminum-coated glass fibers of the ViruPur filter have a very high positive electrical charge, that of viruses, bacteria, cysts, and other particles is lower or negative. These differently charged electric fields exert forces of attraction causing contaminants to be retained on the ViruPur filter and to build up on its surface.

Finally, the water flows through an activated carbon filter which reduces organic contaminants as well as unpleasant odors and tastes.


  • Convenient: Drinking bottle and virus filter in one.

  • Designed for untreated, clear water, e.g. from lakes, rivers, mountain springs, or streams. Turbid (cloudy) water should only be filtered in exceptional cases.

  • Lightweight, simple design is ideal for worldwide hiking, travel and backpacking

  • Purifier achieves highest safety level - removes all microorganisms including Giardia, bacteria and viruses.

  • Provides effective protection against pathogens which may still be present in the tap water in many countries.

  • Microfilter meets EPA standards for removal of Giardia and bacteria

  • Carbon filter reduces chemicals and makes water taste better

  • Hold the MyBottle in an upright position during drinking to allow the water to flow through the 3 filter stages.

  • Only suitable for the filtration of water. Carbonated beverages or beverages with flavorings may damage the ViruPur virus filter.

  • Includes straw to use as water bottle if water source is already safe.

  • Microfilter can be updated to a purifier


  • Removes particles and dirt from water

  • Versatile filter configurations: Can be used as a water bottle, filter or purifier

  • Activated carbon granules: improves water taste and reduces chemicals

  • The integrated counting mechanism indicates when the filter must be replaced.

  • No batteries needed: performs anywhere, any time

  • Just dip and sip: makes water available immediately & without pumping

  • Can be used as a drinking bottle without filter > eco-friendly

  • Convenient carry loop > allows the MyBottle to be carried and fastened with ease

"With Katadyn's bottle system you literally have an endless supply of water. It is so easy to use - I was the envy of the group. I would recommend this product to anyone in need of a convenient, safe, and functional way of obtaining water while on the go outdoors."
Ron Turner, Professional Kayaker

The MyBottle is the next generation of Katadyn’s bestselling water bottle purifiers and microfilters. It is lightweight and simple, ideal for worldwide hiking, travel and backpacking. MyBottle is still the only EPA registered water purifier bottle and, unlike UV systems, performs in challenging water conditions.

Katadyn MyBottle Water Filter
Katadyn Blue MyBottle
Water Filter
Katadyn Virustat
Replacement Cartridge

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