Brazing & Soldering Equipment - Welding ... - The Home Depot- applicator หน้ากาก ,Safe Flo 1 lb. Lead-Free Silver Solder Wire This Oatey 1 lb. Safe-Flo Silver Wire Solder This Oatey 1 lb. Safe-Flo Silver Wire Solder is made from a lead-free alloy specifically formulated for use on lines that carry drinking water. This solder requires the use of flux (not included) and features a wide melting range, from 415 degrees Fahrenheit to 455 degrees Fahrenheit.