PTC Insulative 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, appliance, machine Electric Heater Type: Fan Heater Installation: Portable, standing Mounting hole size:4mm Heat methods: heat radiation 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 or minus 20% tolerance. Power: 70W colour:Black Material:plastic size:90 x 60 x 42mm Package Contents: 3 x PTC Insulative heater