Oxygenated Pump Valve Aquarium Fish Tank Air Regulate Valve Switch for 4mm Pipe

5/10pcs Aquarium Fish Tank Air Line Flow Control Regulator Valve Switch Oxygenated Pump Valve Oxygen Pipe Tee Joint for 4mm Airline Pipe Specification: Material: Plastic Color: Blue, Black Size: Length 3.8cm/1.5in Suitable for: 4mm Hose Function: Air Regulating Valve Specification: 5pcs/10pcs

Use method: Connect 4mm hoses on both sides, and turn the valve to adjust the air volume.

Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.

1 set X Trachea Control Valve