The HS25-330RF is a Resistive Heater from Ohmite. It is ideal for heating air or water to a desired temperature. It is made of a resistance stamping that is sealed in thermally conductive silicone rubber. It has a power rating of 9.1 watts, a resistance range of 25-270 ohms, and a voltage range of 12-30 volts. It is designed for direct contact with the heated medium for maximum transfer efficiency and comes with quick connect terminals on one side for easy splicing and connection.