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12 months interest free Devan 5,700 L Septic Tank with Outlet Filter
The Devan 5,700 litre Septic Tank is the ideal wastewater solution for smaller households for up to six bedrooms*. Designed and manufactured in New Zealand to meet AS/NZS 1546.1:2008 requirements.
Strong, Lightweight, and Easy to Install
Weighing just 390 kg for both tanks, the Devan 5,700L septic tank is light enough to transport and handle easily, yet incredibly strong and robust once installed. It’s built from premium UV-stabilised polyethylene.
Engineered for Performance
- Includes high-quality outlet filter to prevent solids from entering your disposal field, extending the life of your system.
- Ribbed structural design provides exceptional strength and stability under load.
- Resistant to corrosion and chemicals, ensuring decades of trouble-free service.
Why Choose Devan
Devan septic tanks are locally manufactured, fully compliant, and engineered for NZ conditions. Whether for new builds or system replacements, the Devan 5,700 L model offers a proven, reliable solution backed by Devan’s nationwide support network.
About Devan
Devan’s premium water tanks are built tough from polyethylene - the strongest material in the industry - and come in a wide range of non-fading colours to complement any property. UV-stabilised and designed for New Zealand’s extreme conditions, Devan tanks are made to last.
With capacities from 600L to 30,000L, Devan offers the only large tank with brass moulded outlets for extra durability. Many tanks also include a 20-year guarantee, backed by advanced manufacturing standards.
As one of New Zealand’s largest Devan tank suppliers, Turfrey combines nationwide distribution with expert advice and trusted service, making us the go-to choice for your next water tank investment.
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