Designed for use with direct drinking water machines and water systems, this 1-way check valve is crucial for maintaining water purity. It prevents backflow, ensuring that your water remains clean and safe to drink. The valve is easy to install and fits perfectly into your existing water purification system, providing an extra layer of security and improving overall water quality. Features -Color:White -Material:Plastic -Size:5.00X1.50X1.50cm/1.97X0.59X0.59in -Highperformance replacement: this check valve is a high performance replacement part for your water dispenser, ensuring consistent water flow -Easy to install and maintain: with its easy to install design, this check valve simplifies the process of maintaining your water filtration system -Contamination: by preventing backflow, this check valve helps to keep your drinking water away from contamination -Versatile use: suitable for a variety of settings, including both home and commercial water -Enhances water system efficiency: designed to enhance the efficiency of reverse osmosis systems, ensuring they deliver the best possible water quality Package list: 5 purifier check valve