The "M" Series products are specifically designed for underground installations.
Their heavy duty construction, with extra ribbing features, allows this product to be buried underground.
Series "M" is produced in modules of 2500 litres capacity each and are then joined together to make larger capacities of 5000, 7500 and 10000 litres.
These tanks are used where space or a difference in level, do not allow overground installations. They can be used for drinking water, irrigation, grey water, sewage and more...