Otoolling 4 Pcs Brass Compression Tube Fitting, Union, 1/4" OD x 1/4" OD Coupler, Water Line Ice Maker Connector for Pneumatic Pipeline, Hydraulic System, Refrigeration, and Plumbing Repairs

["Brass Material: this package includes 4 brass compression tube fittings, constructed from brass, corrosion resistant and anti aging, preventing leaks and loosening, suitable for plumbing and industrial use; Utilizing a three piece brass ferrule structure (nut, sleeve, and body molded as one piece), compatible with various pipe materials including copper, brass, aluminum, and plastic tubing","Designed for Low and Medium Pressure Pipe: brass compression fittings offer stable and reliable sealing performance under conditions of minimal vibration and minimal pipe movement, ensuring long term leak free and burst free operation, suitable for various fluid media and covering scenarios including refrigeration, pneumatics, plumbing, and industrial equipment","Stable Performance: 1/4\" OD x 1/4\" OD coupler features an operating temperature range from -53 to 121 degrees Celsius (-65 to 250 degrees Fahrenheit), compatible with common copper pipe and hose specifications; Tapered compression achieves a mechanical seal, ensuring reliable sealing performance and reducing leakage","Effortless Installation: compression union connector is easy to install, simply insert the pipe into the main body and tighten the nut to complete the seal; No welding, glue, or special tools are required; The compression fitting structure allows for repeated assembly and disassembly, facilitating pipe modification and repair, improving pipe installation efficiency, saving time and effort","Wide Application: 1/4 compression fitting is suitable for various maintenance and modification scenarios, from refrigeration to pneumatics, or plumbing, from hydraulic systems to DIY projects, offering versatility and reliability; It is a versatile pipe connection tool for repair technicians, engineers, and DIY enthusiasts"]