SLEEKLIGHTING 13 Watt Blue Spiral CFL Fluorescent Light Bulb UL Listed - General Purpose Spiral CFL Blue Light Bulbs -120 Volt, E26 Medium Base.(Pack of 4) - Amazon.com
Sleeklighting 13 Watt Spiral CFL Black Fluorescent Light Bulb Medium Base UL-Listed - Walmart.com
Satco 13 watt Fluorescent T2 Spiral CFL Bulb 13 W 60 W Incandescent Equivalent Wattage 120 V AC 900 lm Spiral T2 Size White Light Color E26 Base 12000 Hour 4400.3 F 2426.8 C Color Temperature - Office Depot
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
UNITEDLUX 13 Watt CFL Light Bulb (60 Watt) Soft White 2700K 1040LM Spiral Bulb Medium Base Compact Fluorescent Bulb (2 Pack) - Amazon.com
Feit Electric 13-Watt Equivalent PL Quad Tube CFLNI 4-Pin Plugin G24Q-1 Base CFL Replacement LED Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E841LEDG2HDRP - The Home Depot
HydroFarm - SunBlaster 13W CFL Bulb #CFL13W
GE 13-Watt Energy Smart Fluorescent Light Bulbs, 8 Pack, 60 Watt .cfl | eBay
UNITEDLUX 13 Watt (60 Watt) Compact Fluorescent Light, Soft White 2700K, 1040LM, Spiral Medium Base CFL Light Bulbs (4 Pack) - Amazon.com
Buy Feit Electric Bug Lights Mini Twist 13 watt Compact Fluorescent Li – Truefoodsmarket (a Goodiesales company)