LED PL/CFL Plug 'N Play Replacement for 4-pin bulbs in electronic ballast fixtures - All G24Q bases
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
LED PL/CFL Direct Wire Retrofit for 2 or 4-Pin CFL Bulbs - Choose Your Retrofit Options
ProTorch LED 40-Watt EQ T9 Bright White LED Light Bulb at Lowes.com
Philips PL-L is a medium to high-wattage linear compact fluorescent lamp
Philips 18W 4 Pin 2G11 Cool White Long Single Twin Tube CFL Bulb | PL-L 18W/41 (4-Pin) | Bulbs.com
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
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