Photo 1 of Built-in Boat Engine Compartment Heater Built-in Thermostat, 650W Haoguo Bilge Heater Equipped with Self-Regulated PTC Element, For Boats Up to 350 Cubic Feet, Prevent Your Cabin Pump from Freezing

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Photo 1 of Built-in Boat Engine Compartment Heater Built-in Thermostat, 650W Haoguo Bilge Heater Equipped with Self-Regulated PTC Element, For Boats Up to 350 Cubic Feet, Prevent Your Cabin Pump from FreezingPhoto 2 of Built-in Boat Engine Compartment Heater Built-in Thermostat, 650W Haoguo Bilge Heater Equipped with Self-Regulated PTC Element, For Boats Up to 350 Cubic Feet, Prevent Your Cabin Pump from Freezing