Durable Construction: Made from , odorless polypropylene (PP), these stopcocks are devised for long-lasting use and resist wear and tear, making them perfect for various applications. User-Friendly devise: Each stopcock features an easy-to-operate knob for smooth rotation, allowing for quick adjustments and simple control, suitable for both professionals and beginners. Versatile Compatibility: The flexible male connection and standard female connection ensure compatibility with a wide range of attachments and equipment, making it ideal for multiple setups. Precision-Made : Engineered without burrs or barbs, these stopcocks are safe for use in food and chemical industries, ensuring cleanliness and reliability in sensitive environments. Tool-Free Installation: Enjoy a plug-and-play devise that allows for quick, tool-free connections, providing a tight and secure fit for efficient use in low-pressure systems up to 150 kPa (1.5 bar)., Manufacturer: CHAOMIN