The unique onion shape and floating collar make the tank is self-supporting and without any frame support; The large opening at the top allows for fast filling and releasing water, thus it is not limited by the size of the outlet& inlet

The unique onion shape and floating collar make the tank is self-supporting and without any frame support; The large opening at the top allows for fast filling and releasing water, thus it is not limited by the size of the outlet& inlet

The unique onion shape and floating collar make the tank is self-supporting and without any frame support; The large opening at the top allows for fast filling and releasing water, thus it is not limited by the size of the outlet& inlet;