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

Engineering Materials - The aquarium control valve is made of high-quality plastic material, which is strong and durable, suitable for long-term use, precisely controls the intake air volume, and provides the right environment for your fish tank. Package Included - Each package includes 13 blue T-shaped airflow control valves, enough for your daily use and replacement. The overall dimensions of each control valve are approximately 3.7 x 2cm, making them ideal for standard 4mm ID air tubing. Precise Operation - This plastic fish tank air pump for aquaculture has a T-shaped design that controls the amount of oxygen intake by twisting the valve to make the water environment perfect for your fish tank. Easy To Install - Connect 2 4mm aquaculture pipes, the installation is very simple, just insert the connector directly into the air pipe. When shutting down, please close it tightly to prevent water leakage and backflow. Universal - Flow control valve for the aquarium, easy to adjust the oxygen volume of the air pump. Suitable for all aquarium and fish tank installations.