BELL 60064 4 watt ES-E27mm Green Coloured LED Filament GLS Bulb. These Green coloured light bulbs offer fantastic light output and offer long life hour, whilst looking stylish. Ideal for festoon light fittings, the clear glass bulb has an amber LED filament. Perfect for bars, restaurants, show rooms and around the home. Standard ES-E27mm screw cap. 80+ CRI rating.