【High Quality Material】: The one way check valve is made of high quality plastic, safe, non-toxic, sturdy, wear-resistant and durable. Perfect for water pipe fittings, making it a reliable choice for applications that involve water contact. 【Main Function】: This inline check valve has a strong resistance to acid, alkali, and salt corrosion. Suitable for different types of liquids, which can be used in fluid system to prevent reflux fluid, or used in pneumatic system to prevent reflux of compressed air. 【Stable Performance】: The water value with high adsorption properties, thermal stability, chemical stability, has high mechanical strength. It maintains its integrity and performance even under demanding conditions. 【Widely Used】: Our non return valve can be used with water, petrol, diesel, oils, and other fluids, which can function effectively under high temperatures, making it suitable for dealing with a wide range of liquids. 【Service Guarantee】: We provide 24-hour after-sales service, if you have any questions about the plastic check value, please feel free to contact us, we will try our best to solve your problem., Manufacturer: MLMLH