1. G40 frosted glass antique led bulb, it is thick frosted glass, total white, the filament led inside this G40 antique led bulb is totally covered, can not be seen. 6 pieces of 28mm led filament, 3W rated, 200lm at 2200K; 260lm at 2700K. The Kelvin is usually 2700K for frosted glass antique led bulbs. It is usually used for string lights!