Features: Material: FeCrAl Temperature: 500-600 ℃ Tension: AC 220V Power: 3000W Outer diameter: 7.1mm Length: 792mm It is made of high temperature corrosion resistant heating alloy. Good thermal efficiency, uniform heating, safety and long-term use. Please stretch the heater coil before connecting to the power supply, otherwise it will burn and damage. It can't be cut into parts, or electricity can increase the risk. For small electric stove, gloves, heating and air conditioning equipment, bakery, electric heating pipe, household appliances. Explain: This is a kind of heating element coil used for electrical stability of commercial center, a kind of heating air conditioning equipment, a kind of bread machine, an electric heating pipe and an electrical equipment. Swimming Pool It is made of heating alloy, resistant to high temperature and corrosion. The coil has good thermal efficiency and safety.