... heater for air heater : 1.Power:100 to 3,500W 2.Rated voltage: 24 to 240V 3.Customized specifications available ptc heater for air heater: ... on PTC elements as its heating resources, and corrugated plate made of aluminum alloy as its radiatorThe heaters processed ... and welding could be used in air-conditioners, drier, dryer, warm air generator, and air-conditioner for both warm, and cold temperature, ...