Sell [GOOD]5pcs Tank Volume Control Oxygen Valve Aquarium Air Regulator Flow Tube Pipe best price

Description: 1. T-shaped regulator valve; can adjuste the air flow freely. 2. Usage: cut an oxygen tube into two parts,inserting them into the ends of the product respectively; twist the adjustment nut and the air flow can be changed. 3.Two-Way/Three-Way Plastic Valve can be used as an in-line valve to control air flow from pump Help to increase oxygen and keep air fresh, create healthy environment for your fish Easy to connect hose Tips: It is normal for product color to have dark and light color difference. Specification: Material: plastic Size: about 3.5-4.8 cm long Product specifications: Inner diameter: about 2-4 mm Outer diameter: about 3-6 mm Package included: 5x Aquarium Air Control Valves