Material Combination: The quick joint adopts copper-nickel and iron connectors to ensure pressure and oxidation endurance of the joint, suitable for stable connection of pneumatic systems. Standard Thread Design: The thread is F-NPT 1/4 ", in line with international standards, easy to be compatible with various pneumatic equipment. Easy Connection: The connector thread is clear, the rotary connection is more smooth, easy to install and remove quickly, improve work efficiency. Three-way Four-way Design: Realize the simultaneous access and distribution of multiple air sources, meet the needs of complex pneumatic systems, and improve the flexibility of gas path management. Special Pneumatic Joint: This three-way four-way quick joint is designed for pneumatic systems to ensure good air tightness, reduce gas leakage, and ensure the safe working of pneumatic equipment., Weight: 0.771617917 Pounds, Manufacturer: Fafeicy