Product Description

The 321 Filter Bottle is a 100% Australian made, reusable 500ml water bottle with a unique patented filter tree plunger mechanism.

Designed for disassembly, this multifunctional interchangeable bottle can be used to suit your needs and can mix and match with any other 321Water products you own.


  • Dimensions: 
    Volume: 500ml / 17 oz
    Height: 22.5cm / 8.9 inch
    Diameter: 72mm / 2.8 inch
    Weight: 150g / 5.3 oz
  • Material: 
    BPA & BPS free
    Durable and dishwasher safe
    Wide mouth
    Glass-like appeal
    Odour and stain resistant
    Cup-holder friendly – fits easily into most cars and workout equipment
    The only part that needs replacing is the filter itself
  • Filtration method 
    Using Carbon filtration system, the filter 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.
Available In-Store Only