Water Filters, Purifiers & Filtration Systems

Because PSI Water Filters is backed by comprehensive product and public liability insurance policies, you can be sure your warranty will be honoured in the unlikely event that you need to make a claim.

Our water filter systems

We offer several water filter systems, so you can find one that's right for your needs.

• Countertop systems — These are small, convenient and easy to install. They’re a good choice for homes with limited space or for those who want a simple solution with minimal maintenance.
• Undersink filter systems — Our under-sink systems are the best choice of water filtration system for your home if you have a problem with water quality but suffer from limited kitchen space. This tap water filter will work with any faucet and is easy to install with little to no tools.
• Reverse osmosis systems — You'll never go wrong with our reverse osmosis line if you want the best tap water filter. Reverse osmosis provides filtered water by using tremendous pressure to push water against a permeable membrane, eliminating unwanted contaminants. We've sold thousands of these systems, and our customers rave about them. 
• Water filter replacement cartridges — PSI also carries a wide range of water filter cartridges and other parts. You can rely on us to help keep your water filter functional for years.

Why trust PSI Water Filters?

There are plenty of reasons why PSI is the best place for your water filter and purification needs. We guarantee that our products are built to last and they'll work as promised. We have a wide array of systems to choose from, so you'll surely find one that's right for you. 

Our friendly staff is always ready to help you with honest, expert advice. Whether it's a quick filter replacement, a caravan filter or a new system for your whole house, we're here for you 24/7!

Browse our range today

We sport an intuitive website that's easy to navigate, allowing you to effortlessly order any system or replacement cartridges online, anytime. We feature a wide catalogue of products from tank filters and UV sterilisers to shower filters and countertop systems. You can also call us for expert advice on choosing the best clean water system for your needs. Our toll-free number is 1800 305 579 and we look forward to speaking with you!