This Avantco 17819247 19 11/16" 3 watt LED light bulb is a perfect replacement for your select refrigeration unit! Whether your original bulb has burnt out or you want to have an extra on hand, this LED bulb illuminates your unit's top sign panel to create an eye-catching display. Rated for up to 43,800 hours of light, this bulb ensures that your top-selling bottled drinks and pre-packaged foods are always displayed at their best for your customers, while also helping to save on energy.