OttLite PL-13-A-FFP 13W Replacement Tube with Magnetic Ballast Bulb | Replacement Tube for Lamps Purchased Prior to 2008 - Walmart.com
Feit Electric 13-Watt Equivalent PL CFLNI Twin Tube 2-Pin GX23 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPL13/41/HDRP - The Home Depot