Photo 1 of Boat Engine Compartment Heater, Haoguo 500W Self-Regulating PTC Bilge Heater (40°F ON/50°F OFF) with Waterproof Fan, Prevents Pump & Engine Damage, Ideal for Winter Storage, Yellow

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Photo 1 of Boat Engine Compartment Heater, Haoguo 500W Self-Regulating PTC Bilge Heater (40°F ON/50°F OFF) with Waterproof Fan, Prevents Pump & Engine Damage, Ideal for Winter Storage, YellowPhoto 2 of Boat Engine Compartment Heater, Haoguo 500W Self-Regulating PTC Bilge Heater (40°F ON/50°F OFF) with Waterproof Fan, Prevents Pump & Engine Damage, Ideal for Winter Storage, YellowPhoto 3 of Boat Engine Compartment Heater, Haoguo 500W Self-Regulating PTC Bilge Heater (40°F ON/50°F OFF) with Waterproof Fan, Prevents Pump & Engine Damage, Ideal for Winter Storage, Yellow