REBECASKYENS 13 Pack T Shape Aquarium Control Valves, Single Way Black Plastic Aquarium Hose Connector Air Flow Control Regulator Air Valve for 5 mm ID Tubing

Package Contents: Each Individual Package Is Equipped with 13 Blue T-Shaped Air Flow Control Valves, Which Fully Meet Your Daily Operation and Replacement Needs. The Overall Size of Each Control Valve Is Accurate to About 3.7 Cm Long X 2 Cm Wide, Which Is Perfectly Suitable for The Standard 4 Mm Inner Diameter Air Pipe Free Adjustment Function: By Simply Turning The Knob with Non-Slip Texture, You Can Easily Adjust from Closed to Fully Open to Achieve Precise Control of Air Flow Easy Installation: After Splitting The Air Pipe in Half, Simply Insert The Air Flow Control Valve to Complete The Connection. Turn The Knob Counterclockwise to Open, and Clockwise to Close Fine Control: This Plastic Fish Tank Air Pump Designed for Aquaculture Uses an Innovative T-Shaped Structure Design, Allowing Users to Precisely Adjust The Amount of Oxygen Injected By Rotating The Valve, Thereby Creating A Water Environment That Best Suits Your Fish Tank Ecology Wide Applicability: This Aquarium Air Pump Valve Is Not Only Suitable for Home and Landscape Aquariums, But Can Also Be Easily Integrated Into Restaurant Ornamental Fish Tanks and Various Drip Irrigation Systems. Its Rotating Design Makes The Adjustment of Air or Water Flow Simple and Fast, and The Switch Is Free