3750 L Graf polypropylene buried water tank

3750 L Graf underground polypropylene water tank. Rainwater recovery tank, 228x176x220 cm. Manufactured by injection, which gives it exceptional stability and guarantees that each component is produced with the greatest precision. Maximum stability. Perfect fit of all components. Quality certified by production controls. Car-friendly (in combination with cast cover). Stable at high groundwater levels. Easy to transport and handle thanks to its low weight. Possibility of connecting between tanks for greater capacity. Easy and economical installation.

Product Features:

• Length 228 cm, Width 176 cm, Height 220 cm, Weight 150 kg.


• Inner diameter of tank dome 65 cm.


• Accessible by cars (in combination with cast iron cover).


• Stable at high groundwater levels.

Frequently Asked Questions:

What is the water capacity that this underground tank can store?
This polypropylene tank has a capacity of 3750 liters, ideal for collecting rainwater.

Is this underground tank easy to install?
Yes, this tank is easy and inexpensive to install, making it an excellent choice for water storage.

Can this tank be connected to other tanks to increase storage capacity?
Yes, this tank has the possibility of connecting tanks to each other, which allows for increasing water storage capacity.

What advantages does this buried polypropylene tank offer?
This tank offers advantages such as stability, ease of transport and handling, quality certification and resistance to high groundwater levels.

Is this underground tank safe to drive on?
Yes, this tank is safe for vehicles to drive on, provided it is combined with the appropriate cast cover.