4550L Polymaster Septic Tank


All new, ultra-strong low profile septic tanks come with a host of features that are ideal for your home or rural property. The septic tanks have been designed to the stringent AS/NZS 1456.1 certification. The septic tanks are all Australian made with delivery to large parts of South Australia, Victoria, and NSW.

Dimensions: Length: 3520mm Width: 1640mm Height: 1665mm



SKU: ST4550 Categories: , , Tag:

Septic tanks are a cost-effective solution for residential wastewater treatment and they’re a great option when you may not have access to municipal wastewater systems.

Polymaster septic tanks are approved in VIC, SA & NSW

This tank has a recommended application for a 6 -10 people household.  While this tank is also suitable for larger households, it may require more frequent pump outs as waste may build up quickly.

Please check with your local council for exact local requirements.

  • Pre-assembled fittings and baffle
  • 10-minute hook-up time
  • Transport to site on a standard Ute with drop sides
  • Only small installation machinery required
  • Extremely tough and durable design
  • Backed by 10-year manufacturer’s warranty
  • 500kg load-rated manhole cover with tamper-proof bolts

Available to buy now. If you would like more information, please call 0413 122 286 or fill out the quote box and we will get back to you.

Current lead times for delivery can vary from state to state

Download the installation and delivery guide

Download Installation Guide

Download Information Brochure

Additional information

Dimensions 352 × 164 × 165.5 cm