Hakko Electric Water Plug Heater Different Voltage Three-Phase 440V SPW3050-44 Suitable for heating water oil various chemicals boilers humidifiers etc. ・Material/Finish: Heater pipe: Stainless steel SUS316L Plug: Stainless steel SUS304. ・Quantity: 1 unit. Expedited (EMS). byJuly 5, 2026