Product Description 1.Application: Tubular PTC heater for towel drier, electric water heater, ventilator 2.Characteristics 1) self-regulation PTC elements. Heater will not be damaged or get fire even if under the condition without water flow. 2) Less power aging rate. Energy-saving, power will be adjusted automatically by water temperature. 3) Voltage can be designed as client request from 12-265VAC. 4) Housing material can be made as client request like aluminum, stainless steel, cooper, or titanium to suit for different application. 5) Diameter can be ranged from 5-25 mm. Length can be ranged from 10-1200mm. Special requirements can be customized.