Eheim suction cup for tubes and hoses of external aquarium filters , they are equipped with a removable and elastic clip that is used to fix the tubes and ducts with the aquarium glass.
They are perfect for holding suction and discharge accessories such as flexible tubes, thermo-heaters, etc.
On the suction cup, the clip is rotatable , which simplifies installation and gives it versatility.
Package with 2 units
Ref.4013050 for 9/12mm tubes
Ref.4014100 for 12/16mm tubes
Ref.4015150 for 16/22mm tubes