Ushio CF13SE/830 Single Tube 4-Pin Base Fluorescent Lamp 3000251
Feit Electric 13-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-1 Base Compact Fluorescent CFL Light Bulb, Cool White 4100K (1-Bulb) BPPLD13E/41/HDRP - The Home Depot
Green Creative 5.5W 4 Pin 3500K 2GX7 LED Bulb, Ballast Bypass, Rated For Enclosed Fixtures | Green Lighting Wholesale
Feit Electric 18-Watt Equivalent PL CFLNI Quad Tube 4-Pin G24Q-2 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLD18E/HDRP - The Home Depot
Philips 18W 4 Pin 2G11 Cool White Long Single Twin Tube CFL Bulb | PL-L 18W/41 (4-Pin) | Bulbs.com
Philips 359331 - PL-L 24W/35 Single Tube 4 Pin Base Compact Fluorescent Light... | eBay
Satco S6761 24W Long Single Tube 4-Pin 2G11 Plug-In base 3500K fluores – BulbAmerica