2. Used to connect the water pipes of both sides and prevent the aquarium from leaking.
When the thickness of the fish tank wall is not suitable or the feeling of tightness is not enough, a hacksaw can be used to shorten the thread and use it again.
Notice:
Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.
Please understand that colors may exist chromatic aberration as the different placement of pictures.