EXTREME FILTER 304 Stainless Drink Bottle (725ml)

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Your next extreme outdoor adventure won’t be complete without the EXTREME FILTER water bottle.  Because what else will instantly filter out up to 99.99% of impurities, viruses and diseases from water?  Heck, even radiological contaminants don’t stand a chance with the EXTREME FILTER.  Wherever you are, instantly purify your drinking water on the go.


Product Description


EXTREME FILTER Stainless Steel Water Filter Bottle (725ml) 

Instantly filters out up to 99.99% of impurities from water.

Includes one filter inside the bottle

 Filter Type: Extreme The Extreme Filter is the perfect companion for travelling to 3rd world countries and other areas where radioactive material may interact with the groundwater.

 Unique Features: 18/8 (304) Food Grade Stainless Steel, taste neutral, BPA-free plastic.  Keeps water cooler than our plastic filter bottles. Filter protects you from exposure to bacteria, viruses, giardia, cryptosporidium etc in your drinking water. Also reduces the same amount of contaminants as the Regular Filter: chemicals, tastes, odours, heavy metals etc. 

 Filter Capacity: 400 Litres.  Replacable Filter.

 People who buy this product use it for:  Outdoor use, hiking, tramping, camping, office, gym, home, travel overseas, use with rivers, lakes and streams or tap water.

 Size: 26.5cm high and 6.5cm wide at the base. 250 grams. 

How to use:  Hold the bottle with the base pointing towards the ground, suck up the straw.  A few sucks will saturate the filter.  Don't tip the bottle up to the sky or the filter will no longer be in the water. There is no need to count the litres, our filters will not expire, but the flow will go slow when it is time to change the filter.  We are a Whole Life Filter so remove the same amount of contaminants at the end of the filter life as we do at the beginning. 

Using the Extreme Filter with a stainless steel filter has a slightly reduced flow (approximately 5% more resistence than a Regular Filter).  You will need to suck slightly harder to saturate the filter initially. This filter in the Stainless steel bottle is not suitable for children who cannot suck from a straw.

  •  Removes up to 99.99% of: Chlorine, DDT, MTBE, Lead, Mercury, Copper and Chromium 6
  •  Removes up to 99.99% of Radiological Contaminants: Cesium 134&137, Uranium, Plutonium, Radium, Radon 222 and Radioactive Iodine
  •  Removes up to 99.99% of: Bacteria and Virus
  •  Removes up to 99.99% of: Giardia and Cryptosporidium
  •  Removes up to 90% of Fluoride.

**Please note these Extreme Filter Stainless Steel Bottles now come with a Black filter on a Straw not a White Filter due to the difficulty manufacturing the older white style casing in the USA.  The replacement filter for this bottle is here.  Also if you do purchase the White casing filter (already on this website) you can remove your straw underneath to use the older style filter (keep your straw in a safe place).  Any questions please contact us. 


Additional Information

Q: How do I fill or use my stainless steel bottle?

A: You simply remove the bottle lid/cap and fill the bottle with water. The bottle is designed to filter as you drink. If your bottle has a filter on a straw/stem (stainless steel or 800ml fliptop) you hold the bottle at a 45 degree angle and suck the water up through the mouthpiece. Think of it as similar to drinking through a straw. Don't tip the bottle up, instead you have the base of the bottle pointing roughly towards the ground. This is because the water must be drawn up through the straw.

Q: Why can't I get water out of my stainless steel bottle?

A: If it is a new bottle, make sure you are not tipping the bottle upwards towards the sky as then water cannot flow up through the bottom of the filter. Water must be sucked up through the mouthpiece. If you have had a bottle for some time and the flow starts getting slower and becomes clogged, then it is time to replace the filter.

Q: What type of stainless steel are the bottles made from?

A: The stainless steel used in our bottles is 18/18, #304 Food Grade stainless steel.

Q: How do I know it is time to get a new filter?

A: A general guideline is approximately one year of use. Once the filter becomes clogged enough that it is becoming difficult to use it is time to change the filter. The filters do not expire, and any water that passes through the filter is pure and filtered, but eventually they will clog up. Depending on the quality of the water you use that could be slightly less than 400 litres or as much as 1500 litres.


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