Discover the secret to premium water quality with our under sink filtration and purification systems. Perfect for families, health enthusiasts or anyone with a thirst for quality hydration, we’ve designed these systems to seamlessly integrate into kitchens of any size. Enjoy crisp and clean water with the best under sink water filter in Australia, available right here at Pure Water Systems.

Filtration and purification: All you’ll ever need for ready-to-drink water

At Pure Water Systems, we understand the importance of providing a reliable solution for clean and fresh water in your household. Our range includes water filtration, purification (reverse osmosis) systems, whether you’re sourcing your water from a tank or from the town mains water supply. We deliver the best under sink water filters - and we mean it. By giving you options, you can enjoy ready-to-drink water from the tap whenever you need it.

Water filtration systems remove physical impurities, such as sediment debris and larger particles, from the water. Our filters improve the clarity, taste and odour of the water before it comes out of your tap. We use premium and exclusive filters, such as our Hi-Tech Optimiser cartridge (HTO). The HTO uses an electrostatic outer wrap, advanced carbon block technology and a pharmaceutical grade membrane to remove unpleasant water taste, odour and up to 101 contaminants.

Beyond removing larger contaminants, the best under sink water filter is one that can also eliminate worrisome bacteria, viruses, dissolved chemicals and other microscopic contaminants. We use technologies such as reverse osmosis to ensure the highest level of purification, so you can thoroughly enjoy water for drinking, cooking, cleaning and many other uses.

Removing impurities for pure refreshment

Say goodbye to water worries with our state-of-the-art under sink systems, designed to tackle a wide range of contaminants and unpleasant water qualities. These include: 

  • Bacteria
  • Chlorine
  • Fluoride
  • Heavy metals
  • Parasites
  • Sediment
  • Taste
  • Odour

The best under sink water filters deliver water that is both refreshing and safe. Eliminate your concerns about dangerous bacteria such as E.coli and parasites like giardia and chemicals that include herbicides and chlorine.

Beyond the basics: Additional features of the best under sink water filters

Upgrade the water in your home with our under sink systems. We have models that boast additional features that enhance the quality and health benefits of your water:

  • Alkaline water - We have under sink systems that have the capability to alkalise the water. Enjoy added health benefits of alkaline water, such as improved hydration and better digestion. 
  • UV technology - Some of our best under sink water filters harness the power of UV light to expose harmful microorganisms, such as certain species of bacteria, viruses and other pathogens. This added feature contributes to a comprehensive and advanced water purification solution.

Invest in the best under sink water filters in Australia at Pure Water Systems

Looking to buy water filters with comprehensive features? You’re in luck - we’ve got the best under sink water filters with purification capabilities here at Pure Water Systems. Under sink water filter systems process water on the spot, providing cleaner and better tasting water whenever you need it. And the best part? Under sink filters don’t take up a lot of space, just an empty compartment under your sink, freeing up your kitchen bench top.

There are many types of under sink water filtration and purification units, with each working slightly differently to filter water from your water source to remove contaminants and additives. With an under sink filter in your kitchen, you can enjoy easy access to cleaner, healthier water for many different purposes.

Take the first step towards pure refreshment by exploring the best under sink water filters in Australia - invest in a Pure Water Systems unit today! Not sure which under sink system is right for you? Talk to our experts - the Pure Water Systems Product Solution Team is here to help you decide which system will best suit your home or office needs.


What is an under sink water filter system?

  • Under sink water filter systems are installed neatly beneath your kitchen sink to filter contaminants from your water then deliver it directly to your tap. 
  • Under sink water filter systems are made up of one or more water filter cartridges, and are installed inline to your tap. Under sink water filter systems can be used with a 3-way mixer tap or stand-alone filtered water faucet. 

What are the benefits of an under sink water filter? 

  • The greatest benefit of an under sink water filter system is that you can enjoy fresh filtered water at the turn of a tap, without taking up important kitchen bench top space. 
  • Filtering your water with the best under sink water filter can significantly reduce you and your family’s exposure to a wide range of natural and synthetic contaminants that can be found in your tap water.
  • You can customise your under sink system to suit your particular needs, whether that be a filtration, purification system.
  • The best under sink water filters are very easy to operate and require minimal maintenance
  • Under sink water filter systems allow you to choose what type of mixer tap or stand-alone faucet you would like in your kitchen - without compromising on your kitchen's unique style. 

What is the best way to filter tap water?

  • The best way to filter your tap water depends on your individual water source, quality and kitchen setup. Under sink water filter systems are ideal for people who want the benefit of filtered water, but don’t want to clutter their kitchen benches with a water filter. 
  • Twin Under Sink Water Filter Systems are a great option for people who are concerned about sediment, rust and dirt in their water. This is because Twin Under Sink Water Filter Systems utilise a highly efficient pre-filter cartridge to protect the submicron cartridge which then allows for optimum water filtration. 

What is the best under sink water filter system? 

  • The best under sink water filter system is one that is made from high quality parts and fittings, and correctly suits your individual water needs. If dirt, rust or sediment are of concern, then the best under sink water filter system will have a highly efficient pre-filter and powerful submicron carbon cartridge to filter out contaminants. 
  • If you would like to remove the most contaminants possible from your water, a reverse osmosis purification system is the best solution. More than standard water filtration, the intense water purification process of reverse osmosis removes almost all contaminants found in drinking water, including total dissolved solids (TDS).
  • When choosing your water filter solution, it is important to select a system and filtration cartridges that are officially certified with test results and performance proof. WaterMark Certification ensures a product is fit for purpose and appropriately authorised for use. NSF Certification means a product has undergone extensive product testing and material analysis.

How often should you change an under sink water filter?

  • Under sink water filter systems cartridges should be replaced every 12 months or the amount of water usage specific to your cartridge - whichever comes first. 
  • Please note, all cartridges may be subject to replacement earlier than the recommended period. This depends on how much you use your filtration system and the water quality in your area. 

Why choose an under sink water filtration system instead of a bench top system?

  • Under sink water filter systems do not take up space on your kitchen bench, unlike bench top water filters. Twin Under Sink Filter Systems also are supplied with a pre-filter cartridge, for an extra level of filtration.

How much does it cost to install an under sink water filter?

  • Under sink water filter systems require inline plumbing, and all installations must be carried out by a licensed plumber. 
  • Depending on your location in Australia, we can assist with booking your installation from our list of trusted professional plumbers. For those customers not within a serviceable area, we also provide comprehensive installation instructions to provide to a plumber of your choice. 
  • Installation costs can vary, so please seek a quote from a trusted plumber before proceeding. If you live in a Pure Water Systems serviceable area, we can organise a quote and installation for you. Please contact 1300 808 966 to find out if you’re in a serviceable area.  

Do under sink water filters remove parasites?

  • Under sink water filter systems can utilise our market leading Hi-Tech Optimiser cartridge (town water) or the Doulton Ultracarb cartridge (tank water) to effectively remove parasites such as giardia and cryptosporidium cysts. You can find these features in the best under sink water filters, which filter down to a submicron level, to remove a wide range of potentially harmful natural and synthetic contaminants. 

How do you install an under sink water filter?

  • Under sink water filter systems require installation by a licensed plumber. Installation must also comply with Australian Standard AS3500.1 and other relevant water authority regulations for your state.
  • All Pure Water Systems products come with comprehensive installation instructions for plumbers, and our in-house Plumbing Advisory Team is available to speak directly to your selected plumber.

How do you replace an under sink water filter cartridge?

  • All of our under sink water filter replacement cartridges come with comprehensive instructions on how to DIY replace and maintain the filter cartridges. 
  • Please refer to the instructions suitable for your system and cartridges. If you live in a serviceable area, our qualified Service Technicians can provide a comprehensive cartridge replacement and maintenance service for your system - the only cost to you is for the actual replacement cartridges and any other parts that may be needed*. 
  • Please refer to the relevant regulatory body to determine whether changing a filter cartridge requires a licensed plumber in your state. 

How do you remove an under sink water filter?

To remove an under sink water filter system, please contact Pure Water Systems’ Customer Service Team, who will be able to advise you of the best option regarding your specific system. We can also make recommendations on the best under sink water filters to suit your needs or other types of systems for an upgrade.