Features: Brand new and high quality Ensure smooth water flowings with this Check Valves a backflow preventer with double sided internal thread. Designings for long service usage, this check valves is build to with stand applications. Suitable for various applications, this check valves caters to both homeowners and professional. Whether you're maintaining your garden/managing a complex plumbing system, this check valves prevents backflow and ensures efficient water management. Enjoy easy installation and performances with the Check Valves. Say goodbye to water leaks and hello to well functioning water system. Specifications: Standard: 3/8"/1/2"/3/4" Nominal pressure: 1.6MPa Package Includes: 1xCheck Valves note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.