Fangrui Product Details Ptc Insulative Corrugated Heater(ptc Air Heater Insulator,ptc Heater For Warm Air-conditioner) Is A Kind Of Large Power Non-surface-electrified Ptc Heater With Wind Blowing.ptc Elements Is Fixed In Aluminium Tube And Keep Insulated With The Aluminium Tube. Use: This Ptc Part Is Used For Heating Air Or Solid. The Ptc Meterial Has A Characteristic That It Is Constant Temperature On The Surface. Advantage: Safety. Heat Up Quickly, Long Service Life. Self-control Temperature. Small Sound Application: Equipment, Electric Heater, General Electric Appliance, Air Curtain Machine Electric Heater Type: Fan Heater Installation: Portable, Freestanding Mounting Hole Size:4mm Heat Methods: Heat Radiation By Air Flow Lead Wire: High Temperature Line The Length Of Lead Wires : 200mm The Length Of Bare Wires : 10mm Notice:the Power Is Reference Value. The Better The Dissipation Is, The Bigger The Power Is.in Different Working Environments, Power Will Have A Plus Or Minus Tolerance. Power: 70w / 100w / 250w Colour:black Material:plastic Size:90 X 60 X 42mm Package Contents: 1 X Ptc Insulative Corrugated Heater Only The Above Package Content, Other Products Are Not Included. Note: Light Shooting And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm.