SAFE GREEN OPTIONS: Made of brass that meets environmental guidelines, rejects harmful substances, especially suitable for healthy home drinking water lines Wide Fit Design: 4 points female threads can be adjusted to different standard pipe sizes, suitable for mineral water pipes and factory pipeline, can meet the needs of different users without the problem of setup LEAK PROOF SEAL CONSTRUCTION: Features precise threads and sealing hoops to prevent leakage layers, ensuring stable links even under strong water flows, perfect for kitchens and bathrooms requiring high standards DURABLE BRASS CONSTRUCTION: Made of premium brass material, these fittings have strong oxidation resistance and durability to withstand long term use in household water systems and solve the problem of frequent connector changing QUICK ASSEMBLY: Tool-free installation makes it easy for beginners to complete the job, perfect for homeowners who do basic repairs and reduce the need for expert assistance, Manufacturer: DAILIBEER