Satco 21" - 10 watt - T5 - Miniature Bi-Pin (G5) Base - 3,500K/4,000K/5,000K/6,500K - CCT Selectable - Type A - Non-Dimmable | Satco LED Light Bulb (10T5L21/8CCT4/G5/A/O/CF/U/D 16514)