Something you might want to consider from S.W.A.T. if you're going for the outdoors... "The Web-Tex SURVIVA-PURE WATER BOTTLE contains in-built purification media and special filters which remove and reduce chemicals, impurities and taste in water - immediately - this is your own micro water treatment purification and filtration plant. Proven technology capable of 1600 litres of natural tasting safe drinking water free of contaminants from any source.

Key Notes:

• Removes Aesthetics, Biologicals, Chemical, Disolved Solids and Rdiologicals.
• Without Taste-Preperation Delay
• Tested to Exceed MOD Specifications

Light yet robust , the web-tex surviva-pure system has built-in purification and post purification filtration that destroys and removes Cyptosporidium Giardia, Anthrax and many more harmful bacteria. Simply fill container from absolutely any water source and drink safe, tasteless water through the mouthpiece instantly!

Uses absolute 2.0 micron filtration with tortuous path technology for maximum effectiveness. Delivering clean tasting potable water from any non-saline source - removing the threat from untreated water sources that might contain Crytosporidium, Giardia, E-coli & viral disease causes.

How to Use

1. Unscrew canteen cap.
2. Fill canteen.
3. Pull up drinking spout & squeeze the special pliable bottle gently.
4. There is a one-way vent that enables bottle to resume shape. There is always a small delay as water passes through the filter.
5. Flush the water through three times before first use.

Instantly Removes

• Chemicals
• Herbicides
• Pesticides
• Purification Chemicals,
• Sediments & Trace Metals

Proven to Remove

• Waterborne disease
• Causatives
• Cryptosporidium
• Giardia
• E-coli
• Viral Disease Cause
• Anthrax

Capacity/Lifespan

• 850ml
• Filters up to 1600 litres
• Equivalent to 12 glasses water a day for a year"