ALL-IN-ONE SET: Don’t worry about incompatibilities - Complete air pump accessories including air stones, connectors, suction cups and check valves for a basic air pump setup aquarium. 2 Air Stone discs: 3.8D x 1.8T (cm). Small in size, it can be easily driven even with a nano-pump. Generates plenty of medium air bubbles to inflate your aquarium and energize water sports. 5 meter oxygen tube + suction cup suction cup check valve 2 each. 2 suction cups: The flexible transparent plastic holder fits a standard 5mm ID pipe and can be firmly stuck on a smooth aquarium. Each suction cup comes with a clip to adjust the tubing. 2 Check Valve: Made of durable clear plastic, the check valve protects your air pump by keeping water out of the aquarium from being siphoned off during power outages.
