Filament LED Normal lamp 4-Filament 7.5W E27 is a dimmable light source from Finnish Airam. The light and durable light source has a transparent glass globe. The light source spreads much of the light down towards the plinth, which is a good feature in luminaires where the light source is installed with the plinth downwards. This light source also works well to use as it is together with a decorative textile cord. The color temperature of the Filament LED Normal lamp 4-Filament 7.5W E27 is 2200K, which gives a light with a warm tone. The base of the light source is of type E27 and has a burning time of approximately 15,000 hours.

In addition to Filament LED Normal Lamp 4-Filament 7.5W E27, Airam's range also includes several other filament light sources. Filament is a new type of light source developed to replace the old, traditional incandescent and halogen lamps. The goal has been to develop a light source that has a similar appearance and light properties to traditional light bulbs, but which is as environmentally friendly as light sources of the LED type.