Kosnic Premium quality long life 4,000 hour G4 capsule. High quality construction for extended reliability and performance. Transverse filaments. The capsules can be operated in any position, and are a compact light source with a high lumen output. Due to the capsule being low-pressure, it is ideal for use in open luminaires. Premium Quality with a 4,000 Hour Lamp Life. Suitable for use with a dimmer.