20 pcs Aquarium Suction Cup Fish Tank Sucker for Water Pump Tube Airline Tubes(2cm)

Features: Made of good quality silica gel, sturdy and durable. Good suction effect, can be used for aquarium and any glass surface, elastic fixed clip. Easy to install, suitable for 4mm 6mm standard pipe. Multi purpose, you can freely adjust the length and shape of the pipe. Application for aquarium air tube, non return flap valve, CO2 tube, diffuser, fixed thermometer, etc. Specification: Condition: 100percent Brand New Material: Silica gel Color: as picture shown Option: 1.6cm, 2cm Upper inner diameter: 1.6cm 0.6inch, 2cm 0.8inch (optional) Bottom diameter: 2cm 1.2inch, 4cm 1.6inch (optional) Package List: 20 x Aquarium Suction Cup Note: When air is completely removed from the inside, or the suction cup is wet before use, the suction cup generates tremendous force and sticks firmly to the glass surface.