BULBRITE FLUORESCENT T5 4-PIN CIRCLINE (2GX13) 40W NON-DIMMABLE LIGHT BULB 3500K/NEUTRAL WHITE 2PK (520122)Bulbrite's Energy Wiser circline Fluorescent bulbs utilize high performance tri phosphor used in T5 lamps for maximum brightness and color rendering, making them the ideal solution for ceiling fixtures, commercial and industrial applications. Ideal for ceiling fixtures and commercial industrial applications. High performance tri phosphor used in T5 lamps for maximum brightness and color rendering. INCLUDED IN THE BOX: (2) 40 WATT NON DIMMABLE ENERGY