Ptc Ceramic- Air Heating Element, Constant Temperature Incubator, Electric. Features: Adopts of PTC Ceramic Heating Element and Aluminum Tube, Low Thermal Resistance, High Heat Transfer Efficiency. This Product is a Electric Heater with Automatic Constant Temperature and Energy Saving. This PTC Ceramic Air Heater Has the Characteristic of Surface Insulation and High Security. With Mounting Holes, Easy to Install. Application: Air Conditioner, Electric Heater, Instrument, General Appliance, Air Curtain Machine, Humidifier, Etc. Specifications: Material: Aluminum Weight: 140g/4.9oz Heating Material: PTC Thermistor Heating Mode: Heat Through the Flow of Air. Lead Material: Silica Gel High Temperature Wire Voltage: 220V Power: 300W Size: 110*50*26mm/4.3*2*1inch (corrugation Length 66mm) Package Included: 1 X PTC Ceramic Air Heater . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.