Total 11-30 Watt 9” Circline Fluorescent bulb is perfect for your lighting needs. The Soft White finish creates a warm and inviting atmosphere with a Color Temperature of 3000k. The bulb has a 4-Pin Base and is easy to install. The model is SATCO-S6507 from the brand Satco, known for their quality products. This Fluorescent bulb is Type T9 and has a maximum Bulb Wattage of 30W. It is perfect for use in various lighting fixtures and is versatile. The unit comes with 11-bulbs and is a great addition to your home or office.