Walbest Aquarium Air Valve, Air Pump Control Valves Air Pump Single Way Plastic Air Flow Control Regulator for 4 mm Hose Air Line Tubing Connector, Black (1Pc)

Specifications:
The control valve is made of high quality of plastic, which is high-strength, high temperature resistant, corrosion resistant, non-toxic and abrasion resistant.
It's used for air volume adjustment of fish tank air pump, connected with 0.4cm tube. And you can use it for a wide range of applications where liquids and gases are used, especially for aquarium.
You should cut an oxygen tube and inserted into the two ports of this product, and the gas output can be adjusted by twisting the adjusting nut on the product by hand.

Item Name: Control Valve
Material: PVC
Features: Two-way, Aquarium Supplies, Durable
Suitable for: 0.4cm/0.16" Tube(Approx.)
Size: 4.8cm x 2cm/1.9" x 0.9" (Approx.)

Notes:
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package Includes:
1 x Control Valve