MULTIPURPOSE - The elbow copper fitting is good for use in HVAC, refrigeration systems, water supply systems, and water heating system etc. These applications need a secure and leak-free connection, which is essential. Its 45-degree angle design and short radius make it a convenient option for tight spaces. The fitting is suitable for use with copper pipes and tubes.WHAT YOU GET - The package comes withRELIABLE MATERIAL - The use of copper in these copper fittings provides benefits such as strong corrosion resistance, good thermal conductivity, and easy processing, If you want to use the elbow copper fitting, simply insert the tube into the C end and solder the C end to the pipeANGLE DESIGN - The elbow design allows the pipeline to maintain a right angle at the bend, reducing the degree of bending and resistance, and improving flow rate and efficiency. The short radius design allows for easy installation in tight spaces.KINDLY NOTE - Please confirm your copper pipe size when you choose.