Specifications:

[Single cold] 304 stainless steel large bend + leakage package return

[Single cold] 304 stainless steel large bend + 80CM explosion-proof tube + leakage return

[Hot and cold] 304 stainless steel large bend + leakage package return

[Hot and cold] 304 stainless steel large bend + 80CM explosion-proof tube + leakage return

[Hot and cold] copper bend + leakage package return

[Hot and cold] copper Big Bend + 80CM explosion-proof tube + leakage return

[Hot and cold] 304 stainless steel seven words + leakage package return

[Hot and cold] 304 stainless steel seven-word + 80CM explosion-proof tube + leakage return

[Hot and cold] refined copper seven words + leakage package return

[Hot and cold] refined copper seven words + 80CM explosion-proof tube + leakage return