About Us

Filtrex Innovative Wastewater Solutions is based in the South West region of Western Australia.  Our office is situated in Bunbury to strategically service areas of Perth, the South Coast, Great Southern and the Wheatbelt.  

Our contractors are based throughout these regions providing leading building companies and our clients a service that has every aspect of excellence.

Whether it is installation, sales or after sales support we have a team member to ensure your questions are answered.

Filtrex is an Australian owned business with over 50 years’ experience in the design and manufacture of wastewater systems and tanks, including the suppliers of the SEPRON tanks.

Whether working with the homeowner, builder or commercial project Filtrex can provide a solution for your onsite wastewater management needs.

Not only is Filtrex Innovative Wastewater Solutions Western Australian owned and operated but our systems are manufactured in Western Australia by Filtrex for WA conditions.


Wastewater Recycling... the future is in your hands.


Why Choose Filtrex?

✔️ Filtrex Innovative Wastewater Solutions is a local and wholly owned Western Australian Company.

✔️ Manufactured in Western Australia—Our systems are manufactured in Western Australia for WA conditions.

✔️ Providing a local team fully trained in the Filtrex range of onsite wastewater systems to suit both standard septic systems and the more specialised Alternative Treatment System for environmentally sensitive areas. We have the expertise to carry out installations to local government requirements.

✔️ AFFORDABLE—The Filtrex range of onsite wastewater systems are competitively priced and do not require ongoing service or maintenance contracts. (Ongoing service contracts may impact financially when a supplier requires a service maintenance agreement).

✔️ Research and Testing—Filtrex Innovative Wastewater Solutions has engaged professionals in their fields to ensure our systems meet Department of Health WA Regulations.

✔️ We pride ourselves on being engaged in keeping up-to-date and informed with continued improvement in developments in the wastewater industry.

✔️ Low maintenance for the operator/home owner with simple and effective design.

✔️ Short time frame for installation—Straight forward design means installation can be carried out in 2-3 days with little or no disruption to your building process.

✔️ The SEPRON Poly Tanks have been designed to a high quality and meet Australian Standards Certification AS/NZS 1546.1.2008-Onsite Wastewater Treatment.

✔️ Our experienced installers live in the area your system will be installed, and have ongoing commitment to provide excellent service.