Flexible Design: the size and shape of the underground pool which made of of the modular rainwater tank can be assembled according to the need of the site. 

High Loading Capacity: the vertical loading capacity of the rainwater modular tank can reach 90 tons, the lateral loading capacity can reach 62 tons.

High Void Ratio: the void space inside the rainwater tank reaches 95%,we can storage more water in it.

Long Service Life: the designd service life of the modular tank is 50 years.

Easy Installation: the assembling of the modular tank can be done just by hands, no large machines required.

Time Saving: one person can install 75 cubic meters each day.

Compact Storage: the modular tank can be piled on pallets, one 40'HC container can hold 294.4 cubic meters.

Environmental protection: the modular rainwater tank can be made of 100% recycled PP material,after service life, the PP material can be recycled once again.

Money Saving: Compared with the traditional stainless steel and concrete pools, Doctor Rain's Rainwater Module reduces the time cost, transportation cost and later maintenance cost in many ways.