HALJIA 20PCS Aquarium Fish Tank Suction Cups Suckers Clips Air Line Pump Tubing Plastic AirLine Cup Sucker Holders Clamps for 4/6mm Tube

Suction Cup Diameter: 26mm Clip Diameter: 6mm The suction cups holder are made of rubber and plastic which will stay firmly on the surface of fish tank or aquarium. The suction tube holder are easy to install and remove and good for both salt and fresh water fish tank, aquarium and any glass surface. Elastic holder clip, easy to install/uninstall Can be used for aquarium airline tubing, check valve, CO2 tubing, diffusers With this item, you can adjust air line length and shape according to your demand Suit for 4mm/6mm standard air line.