Choosing a water filtration system is a significant investment in your home's infrastructure and your family's health. If you're comparing options in Australia, Complete Home Filtration (CHF) is one of the names you'll come across, and it's the one we get asked about most.

Whole-House Systems Comparison

Whole home water filters are installed at the "Point of Entry" to filter every tap, shower, and appliance in the home.

At a Glance: Whole-House Specifications

Key Differences in Whole-House Tech

• Micron Precision: PureFlow systems have the option to filter down to 0.5 microns, twice as fine as the standard 1-micron filter. This provides an extra layer of defense.
• System Cover: Whole-house units are mounted outside, so the cover is the part that lives with the weather. PureFlow uses 304 marine-grade stainless steel. CHF uses plastic. Stainless takes sun and heat without discolouring or going brittle, which matters on a system you're keeping for a decade or more. It also means the unit on the side of your house still looks like something you chose. 
• Cartridge Size: The cartridge is where the filter media sits, so a bigger one holds more of it. Ours come in 10" or 20". CHF's come in 10" or 15". A 20" holds twice the media of a 10" and around a third more than a 15", which buys more contact time with the carbon and less resistance to flow. On a bigger household with a few outlets running at once, that's where it shows up.

Reverse Osmosis Systems Comparison

While whole-house systems are great for chlorine and sediment, Reverse Osmosis (RO) filter is required to remove dissolved solids like fluoride, heavy metals, and microplastics. Both companies offer premium under-sink RO units.

At a Glance: RO Specifications

Why Add Reverse Osmosis?

• Fluoride Removal: If you want fluoride out of your drinking water, RO is the most practical way to do it at home. Carbon filters, including whole-house systems, don't touch it.
• Molecular Purity: Our 0.0001-micron membrane acts as a molecular barrier, stripping away pollutants that are too small for even the best carbon filters.
• Mineral Balance: RO strips out almost everything, minerals included, which leaves the water slightly acidic and flat-tasting. Our alkalising stage puts minerals back in and lifts the pH to around 9 to 9.5, which is where the taste comes back.
• Tank Capacity: PureFlow provides a larger 12L stainless steel tank as standard, ensuring your family has plenty of purified water on hand for cooking and drinking without waiting for the system to catch up.

The PureFlow Advantage

We are setting a new standard for a legacy industry. As a younger, more agile Australian brand, we focus on technical superiority and local accountability.

• Award-winning: 2026 Australian Trade Retail Business of the Year at the Australian Trades Small Business Champion Awards, winner of MBN Start-up of the Year, and a finalist in the Melbourne Young Entrepreneur awards.
• Australian owned, Melbourne based: We only install across Greater Melbourne. We know the water here, and we're close enough to come back if something needs attention.
• Component quality: 304 marine-grade stainless steel, Italian UV units, Thailand carbon blocks, USA-made membranes. We'll tell you where every part comes from.
• Our own licensed plumbers: Every PureFlow system is installed by our own licensed Melbourne plumbers, to code, and covered by a full warranty. No subcontractor sitting between you and us if something goes wrong.
• 0% interest payment plans: Available through Brighte, so the cost can be spread rather than paid upfront.