National Poly's state of the art manufacturing facility with over 100 years combined knowledge means you are buying from the most experienced poly tank manufacturer in the Australia.
Tank Product Range
Select a product that interests you or check out our complete rainwater harvesting systems.
Our advanced poly manufacturing process use computer-controlled rotational moulding machines to make very strong one-piece tanks.Find out more
Slimline tanks are perfect for small blocks of land where there is limited space. They will fit perfectly along a wall, side fence or under a window.Find out more
Suitable for under drive way installation these tanks are German engineered and manufactured for maximum strength and durability.Find out more
Water Tank Accessories
Do you need a water tank pump, self-cleaning system, water diverter, leaf strainer or fittings? Check out our range of water tank accessories.Find out more