Septic Tanks, ideal for sanitary storage and disposal

Septic Tanks

Duys septic tanks are made from high-quality polyethylene plastic. Our septic tanks are manufactured by a rotational moulding process that produces a one-piece, seamless, watertight tank and they are easy to handle, install and clean.

Various Colours

Duys septic tanks are UV-resistant and chemical-resistant polyethylene tanks which are available in a range of colours to suit any domestic, commercial or industrial application.

Upto 8 Years Warranty

Duys Tanks are guaranteed for a period of 8 years for water storage or 3 years chemical storage.

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Nearest Supplier

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Septic Tanks

Gone are the days of ugly water storage tanks, at Duys Tanks we are pleased to announce that we have extended our range of modern, funky colours and finishes to ensure that our tanks suits its application and environment.

As one of South Africa’s leading water / chemical and liquid storage tanks supplier, Duys Tanks prides itself in the high quality and performance of our plastic storage tanks and products.

Duys Septic Tanks also known as sanitation or conservancy tanks, offer an ideal solution for sewerage and waste. Duys septic tanks can be used for all your sanitation requirements from 2 200 – 6 500 litres.

Our septic tanks are manufactured by means of the rotational moulding process that produces a one-piece, seamless, watertight tank using the same polyethylene as our other storage tanks

The specialised polyethylene construction is unaffected by soil chemicals and the chemicals and gases present in sewerage, so our septic tanks do not corrode and nor do they require any additional coatings as many other tanks do.

They are easy to handle, install and clean. Duys Tanks are supplied through a limited distribution network across South Africa.

Duys Tanks Colours Available:

Our range of tanks come in the following wide variety of colours to compliment your needs:


Our Septic Tanks

Image Tank Size Length mm Width mm Height mm Water Tank Lid Inlet, Outlet & Overflow Tech Spec's
2200L septic tank
2 200 Lt 1615 1300 1470 450 40mm fitting
2500L Horizontal Liquid Storage Tank No Legs
2 500 Lt 2500 1925 1125 450 40mm fitting
6500L Horizontal Liquid Storage Tank
6 500 Lt 2740 2335 1545 450 40mm fitting