John Lewis and Partners

Calex 4W ES LED Dimmable Flexible Filament Rustic Bulb, Smoke



This 4W ES LED Retro Bulb from Calex is designed with a curly, flexible filament for decorative effect. Smoke tinted, with a 100lm output, it's ideal for enhancing an ambient lighting style. Fully dimmable, it has a lifetime of approximately 15,000 hours. Worth Knowing This table is a guide to show you the equivalent bulb wattage across halogen, LED and traditional bulbs. Traditional WattageHalogen EquivalentLED EquivalentLumens25W18W4W250+40W28W5.5 - 6W470+60W42W8 - 8.5W806+75W53W11W1055+100W70W13W1521+ Watts vs Lumens A bulb's wattage tells you how much energy it uses, while its lumen rating tells you how much light it generates. Lumens (lm) are a measure of the total output of visible light. The higher the lumen the, brighter the lamp will appear.