Features: Prevents water backflow and maintains performance for CL200 and CL220 Series chlorine feeders. Crafted from PVC material, this check valve and inlet fitting adapter assembly offers exceptional corrosion resistance, pressure tolerance, and durability. Provides long-lasting reliability and stability in your pool or water treatment system. Designed for pool owners, swimming pool administrators, and homeowners who value clean water. Ensures a secure and tight connection with other devices, making it suitable for various applications. Whether you own a private pool, manage a public swimming pool, or operate a hotel or club with a swimming pool, this check valve and inlet fitting adapter assembly is an essential component for maintaining and managing your water treatment system. Say goodbye to water backflow issues and enjoy a hassle-free pool experience. Invest in this reliable solution today and take control of your pool water circulation. Specifications: Material: PVC Size: Approx. 3.9 x 2 cm / 1.53 x 0.78 inches Package Includes: 2 x Check Valves 2 x Inlet Fitting Adapter Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences between monitor displays, the picture may not reflect the actual color of the item.