Designed to replace grossly inefficient and desperately unreliable 40W filament light bulbs, this LED candle light bulb produces light of an equal quality and brightness but consumes just 5.5W in doing so.This remarkable efficiency - plus a rated lifetime of 15,000 hours - has the potential to yield savings of up to 90% when considering energy expenditure alongside maintenance and replacement costs.The light bulbs thermal plastic casing dissipates heat more effectively than comparable materials, placing less strain on its components and thus extending its longevity even further.Features a BC-B22d bayonet (22mm) cap base.Need more help in choosing a suitable light bulb? Read our guide What is a Candle Light Bulb.