Filter Packs

The Filter pack

The 321 filter replacement pack contains 3 filter tablets for 321 Water filter bottle. The filter tablets significantly reduces chlorine and remove unpleasant tastes and odours with one easy plunge.

How often should I change my filter?

One tablet lasts 125 refills please change your filter:

Monthly - if you drink 2 litres / 68 ounces a day
Bi-Monthly -  if you drink 1 litre / 34 ounces a day

If you are struggling to remember this, you can always sign up for a 321 Subscription. 

Filtration method

• Carbon filtration - Absorbs impurities from potable tap water such as odours, tastes, organic compounds and residual chlorine.
• The 321 filter tablet lasts around 125 refills, that is an amazing 62.5 litres of great tasting water before it needs replacing.

The Details

Made from activated carbon, a natural highly porous filtering material prepared by exposing organic materials such as coconut shells to high temperatures and steam, creating an enormous surface area for absorption. This super-porous carbon is used to absorb impurities from potable tap water such as odours, tastes, organic compounds and residual chlorine. It is low impact, aesthetically pleasing, durable, portable, and free of harmful chemicals, for you to enjoy every last drop. The filter significantly reduces chlorine, it removes odours and bad tastes.  It does not remove fluoride.