Upgrade your lighting with this 4-pack of 13W compact fluorescent spiral bulbs from Vevor. Each bulb features a GU24 twist-and-lock base, 900-lumen output, and a warm 2700K color temperature for soft, comfortable illumination. The bulbs are designed to reduce energy use compared to standard incandescent bulbs while maintaining bright, even light. Their glass spiral tubes and flame-retardant PBT bases support reliable everyday use in homes and commercial spaces. Ideal for bedrooms, living rooms, study rooms, lamps, closets, and other compatible fixtures.