Durable and sturdy. The ball valve is easy to install and has no leakage. The large handle is easy to achieve low torque and smooth rotation of the handle. The red handle can be adjusted or fully closed. Easy installation. No glue required, please select the correct size based on the inner diameter of the hose. Simply push the tube firmly against the barb, it will fit very tightly without leakage. If necessary, soften the end of the pipeline with a hot air gun or hair dryer before insertion. Suitable for dropper systems and aquarium pumps. Effectively control water flow., Manufacturer: MEXEWORD