icemoon 21 Pcs Air Pump Accessories for Fish Tank,16.5 ft Standard Airline Tubing,2 Bubble Release Air Stones,2 Check Valves,10 Suction Cup Clips,2 Air Switch Pump Valve Regulator,4 Connectors

Air pump accessories: 5m standard airline tubing, 2 x air stones, 2 x check valves, 10 x suction cup clips, 2 x straight connectors and 2 x T-connectors, 2 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