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