Features: Crafted from strong brass, this 3/4" male x female check valves ensures reliable one way water flows, effectively preventing backflow in well, pump, and tank systems. The horizontal in line design with a spring mechanism guarantees consistent performances, while the 3/4" male and female threads enable easy installation in various plumbing setups. Ideal for plumbers, well system technicians, and DIY enthusiasts seeking corrosion resistant backflow prevention for residential or commercial applications. Designed for integration into pressurized water systems, including well , irrigation pumps, and storage tanks, to protect against contamination and pipe damage. Its brass construction resists mineral buildup and corrosion, ensuring smooth operation in high pressure environments while maintaining best flows control. Specifications: Material: brass Size: about 6x3.7cm/2.4x1.5inch Thread: 3/4inch Package Includes: 1xBrass Check valves note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.