ALEGI Aquarium Air Pump Accessories Set 25 Feet Airline Tubing with 6 Check Valves, 6 Control Valve and 40 Connectors for Fish Tank White

1 roll of 25 Feet Standard 3/16" Air Line 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., 40 Connectors (Straight & T-shape) - Perfectly connect standard tubing, T-connector allows you to combine two inputs to create one output with dual outlet pumps., 6 Pcs Air Control Valve and 6 Non-Return Check Valve., Excellent 3/16 inch ID Standard airline tube holder, stick tightly to the smooth fish tank. Red clear valve can prevent water from back siphoning.