Simply Conserve G24Q/GX24Q horizontal PL 18-Watt EQ Single tube Daylight GX24Q-4 Pin Base LED Light Bulb (4-Pack) in the General Purpose Light Bulbs department at Lowes.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
Sylvania 55W Long Twin Tube 4-Pin 2G11 Plug-In base 3500K fluorescent – BulbAmerica
Green Creative 5.5W 4 Pin 3500K 2GX7 LED Bulb, Ballast Bypass, Rated For Enclosed Fixtures | Green Lighting Wholesale
LUXRITE PLL24W/830/4P Compact Fluorescent FT Bulb – BulbAmerica
15W Non-Dimmable 16.3" 4000K 4-Pin Single Twin Tube 2G11 Base LED Bulb, Ballast Bypass | LED PLL 15WT5/120°/FR/40K/2G11/100-277V | Bulbs.com
24 Watt Long Twin Tube Compact Fluorescent PL Bulb with 4-Pin (2G11) Base, 3500K - FT24DL/835
Feit Electric 13W/18W/26W Equivalent PL Horizontal 4-Pin Universal Base G24Q/GX24Q-1/-2/-3 CCT Select(2700K/3500K/4100K)LED Light Bulb PL26A/H/CCT/ LED/HDRP - The Home Depot
JQslight 2G11 4 Pin Base LED Light Bulb, 2G11 LED Plug and Play 2G11 LED Tube 36W CFL/Compact Fluorescent Lighting Garages Light Horizontal Plug for Workshop, Recessed Cans, Daylight 6000K - Amazon.com
Philips 26W Equivalent Soft White PL-C/T 4-Pin Vertical Orientation LED Tube Light Bulb - Varns and Hoover Hardware
220V 27W 4 Pin LED Light Bulb Super Bright Square Daylight Lamp Practical Indoor Lighting Fluorescent Lamps - AliExpress
Upgrade Your Lighting - 4 Pin LED CFL Replacement Lamp - Stars and Stripes Lighting
Philips 24W 4 Pin 2G11 Neutral White Long Single Twin Tube CFL Bulb - Walmart.com