About This

• 25 Feet standard 3/16" fish tank air tubing, suitable for aquarium, fish tank and hydroponics.
• Flexible Air tubing,without kinking that stands up to wear and will not crack or become brittle over time.
• The suction cup can fix the air tubing in the aquarium, and the air stone is durable, and can continue to produce fine bubbles, effectively diffuse the oxygen in the tank.
• The check valve can prevent water from back siphoning.Air control valve is simple to operate, manual control of oxygen flow.
• Includes：25 Ft clear standard 3/16"(4mm) airline tubing, 6 x suction cup, 8 x connectors(Straight / T/Y/L-shape), 4 x air stones, 4 x control valves, 4 x check valves