PTC Insulative corrugated heater is a non-surface-electrified PTC heater designed for use with airflow. The PTC elements are securely fixed inside an aluminum tube and remain electrically insulated from the tube. This heater is commonly used for heating applications in various devices. The PTC material has a self-regulating characteristic that maintains a consistent surface temperature.Advantages include enhanced safety, rapid heating, long service life, automatic temperature control, and quiet operation. Application: Suitable for use in electric heaters, household appliances, and related equipment. Electric Heater Type: Fan Heater Installation: Portable, Freestanding Mounting hole size: 4mm Heating method: Heat radiation through airflow Lead wire: High-temperature resistant wire Lead wire length: 200mm Bare wire length: 10mm Note: Performance may vary depending on heat dissipation conditions. Values may have a tolerance of 20% under different operating environments. Power: 70W Color: Black Material: Plastic Dimensions: 90 x 60 x 42mm Package Contents: 1 x PTC Insulative Corrugated Heater Please note that only the items listed are included. Note: Lighting and display settings may cause slight color variations between the image and the actual product. Measurement error is permitted within 13 cm.