Suitable for water distribution, kitchen and bathroom installs, under-sink filtration or light commercial lines Can be used for drinking water. Ensuring long term durability Made from brass with low permeability, excellent resistance, and thermal ductility These crimp fittings work with A, B, and C tubing. Suitable for stainless steel press sleeves, clinch clamps, and copper crimp rings to ensuring secure connection (Not suitable for expansion systems; rings not included for pressures up to 1200PSI and operating temperatures from -65°F to +250°F, this brass elbow fitting delivers stable and long service life in harsh and demanding condition, Manufacturer: Zktfyshk