Mavis

Mavis Carruthers

Mavis Carruthers has a background as a registered nurse, naturopath and is now co-founder of WestOz Water Filters. With over 40 years of combined healthcare experience – including Clinical Nurse Specialist in orthopaedics at Royal Perth Hospital and operating her own naturopath wellness centre in Cannington – Mavis brings a genuine health-first perspective to everything WestOz does.When Mavis and her husband Rob established WestOz Water Filters in 2019, the goal was simple: empower interested Western Australian families to filter their own water, backed by honest advice rather than a sales pitch. Today, more than 1,700 customers trust WestOz Water Filters, which was named Best Home-Based Business at the 2025 Belmont & WA Small Business Awards.Beyond work, Mavis grows her own vegetables, collects eggs from her chooks, enjoys the competition of lawn bowls, dances Nia most mornings and travels regional Australia with Rob in their motorhome.

Winners 32nd Belmont & Western Australian Small Business Awards 2025

WestOz Water Filters Wins Home Based Business Award

Winner of the Home Based Business Award at the 32nd Belmont & WA Small Business Awards — a reflection on six years of resilience, family values, and the customers who made it possible.
Best Filters Drinking Water

Best Water Filters for Drinking Water

From jug filters to reverse osmosis — learn which drinking water filter suits your household, budget and water quality, plus the ongoing costs to factor in before you buy.
3 Stage 10" Big Blue Whole House Water Filter Softener System

Why Households Switch To A Whole Home Water Filter System

How whole home water filter systems work, what they remove — chlorine, calcium, sediment and more — and why Perth households are making the switch to protect their appliances and enjoy better water from every tap.
Filtering Your Own Water Benefits the Family

The True Cost of Not Having A Home Water Filtration System

What's really in Perth tap water, how it affects your skin, appliances and wallet, and how a home water filtration system can pay for itself over time.
young couple smiling in their caravan kitchen

5 Tips For Choosing The Right Caravan Water Filter

Five practical tips for choosing a caravan water filter — from matching filtration to your water source to checking hose fittings and cartridge life — so you stay healthy and hydrated wherever the road takes you.
Countertop Water Filter

Affordable Countertop Drinking Water Filters

Comparing countertop and under sink water filters: installation, filtration levels, cost and maintenance — plus which option is best for renters, small kitchens and long-term savings.
Under Sink Water Filters

Are Under Sink Water Filters Worth It?

Are under sink water filters worth it? We break down how they work, the health and taste benefits, cost savings vs bottled water, and the common concerns — pressure, installation and maintenance.
An interior shot of a modern house kitchen with large windows

A Guide To Home Improvement For Renters

Renter-friendly ways to upgrade your rental — temporary styling, smart storage, eco-friendly swaps and no-drill water filtration — all without breaching your lease or losing your bond.
A Person Holding Hair with Soap

Five Water Softener Benefits: A Key Component of Whole House Water Filtration Systems

Five reasons to add a water softener to your whole house system: healthier skin and hair, protected plumbing and appliances, lower bills, less cleaning and a lighter environmental footprint.
Person filling up drink bottle from tap

Unlocking the Health Benefits of 7-Stage Reverse Osmosis Water: A Personal Journey

A personal story of switching to a 7-stage Reverse Osmosis system — the real changes experienced over a year, and the facts behind common myths about RO water and minerals.
Water filter system outside kitchen

Calcium Scale Water Filtration

Calcium is safe to drink but rough on your appliances. Here's how limescale costs you time and money, and the filter options — reverse osmosis, whole house and resin systems — that tackle it at the source.
Water filters new and used side by side

Sediment Filters in Whole House Water Filtration

What a sediment filter does, which micron rating to choose, and how often to change the cartridge — including replacement guides for Perth scheme, bore and tank water.
caravan water filter

A Guide To Caravan Water Filters

Inline vs canister caravan water filters — what they remove, when to change cartridges, and the maintenance habits that extend filter life while you travel.
Home water uses photo collage

Home Water Filtration Vs Bottled Water

The real downsides of bottled water — cost, plastic waste and nano-plastics — and why a home water filter is the smarter, more economical switch.
Carbon Filter Catridge dropping in to water

Is A Water Softener Worth It?

How resin water softeners work and why hard-water homes in Perth need one — from protecting pipes and appliances to softer skin, brighter clothes and cleaner dishes.