OPDUO 31 Pcs Air Pump Accessories for Fish Tank,16.5 ft Standard Airline Tubing,3 Bubble Release Stones,3 Check Valves,15 Suction Cup Clips,3 Switch Valve Regulator,6 Connectors

Air pump accessories: 5m standard airline tubing, 3 x air stones, 3 x check valves, 15 x suction cup clips, 3 x straight connectors and 3 x T-connectors, 3 Air Switch Pump Valve Regulator, Complete tools match well with your fish tank Airline tubing: 5 m/ 16.5ft in length, and 5 mm/ 0.2 inch in diameter; Air tubes are made of clear and flexible plastic, they are resistant to wear and kink; Moreover, they can be put in salt water or fresh water. Bubble release air stones: Air stones help add oxygen to your hydroponic growing system and reduce carbon dioxide concentration for your fish tank, aquarium, pond, hydroponic or circulation system; Moreover, they can extend the lifetime of your nutrient solution and supply oxygen for your fish. Check valve: the one-way check valve is great for aquarium and fish tank; You can put it in the airline tube between air pump and aquarium water to prevent water back into the air pump Air Switch Pump Valve Regulator: Two-Way Plastic Valve can be used as an in-line valve to control air flow from pump. T-connectors: T-connectors combine 2 inputs together to create 1 output, which is convenient for application with dual outlet pumps; Straight connectors: they are applied for mending or extending air hose