Multi Dock, for turtle, reptile and fish small. It is a rock like structure. Iit sinks in the tank and kept in a corner. The tank needs to be filled with water upto a certain height so that the top part of the dock can be used as dock for the turtles. shouldnt fill the tank more than the height of the dock otherwise no point of keeping it. it is known as multi dock as it is multi featured. there is hose underneath the dock which has outlet on the front topmost part of the dock. one, can connect filter with the dock to use it like a filteration dock. it acts like a waterfall when connected with a filter. thi is one of the best Absolute’s filter known as jet plus filters. so this dock can be used as ornament, filter and a dock for the turtles.