When the coils on your refrigerator are clean, your refrigerator can work more efficiently, reducing its electricty consumption. When your radiators, registers, or the fins on your baseboard heater are clear of accumulated dust they can distribute heat more efficiently. This wooden-handled brush will make it easier to reach and clean the coils. Overall, it is 20 inches long, with a 1.5 inch wide by 12.5 inch long brush head, tapered toward the tip.