E14 41w led tube lamp clear warm white dimmable this led filament bulb in a tubular shape is primarily used in furniture for indirect lighting or is often used in kitchen hoods the output corresponds to that of a conventional 25 w bulb and is only slightly bigger advantages save up to 83 energy no preheating immediate 100 brightness lasts up to 15 times longer than traditional light bulbs non poisonous no environmental impact no ir and uv radiation warm white luminous colou