The rainwater module tank dimension is 1000x500x225mm. It is 1000mm long, 500mm wide and 225mm high. When we use two modules to make the mainbody of the tank, the size will be 1000x500x400mm.
Below is a rainwater modular tank with dimension details:
Below is the dimension diagram of side plates for a rainwater modular tank
Below is a picture of side plate for rainwater modular tank
Below is the dimension diagram for top cover and big & small connector:
Below is the picture of a Top cover for a rainwater harvesting tank:
Top cover for a rainwater harvesting tank
Below is the picture of a small & Big connector for rainwater harvesting tank: