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
Philips 36W 4 Pin 2G11 Soft White Long Single Twin Tube CFL Bulb | PL-L 36W/30 (4-Pin) | Bulbs.com
9.5 Watt 120-277V G24q/GX24q 4 Pin Direct Replacement LED PL Lamp – Green Electrical Supply
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
GE 32W 4 Pin GX24q3 Soft White Triple Twin Tube CFL Bulb | F32TBX/830/A/4P/ECO (4-Pin) | Bulbs.com
220v 27w 4-pin Base Bulb Led Bulb Downlights Replacement Light Tube Interior Lamp Energy Saving Lamp Fluorescent Lamps - Led Bulbs & Tubes - AliExpress
Feit Electric 32W Equivalent PL CFLNI Triple Tube 4-Pin GX24Q-3 Base Compact Fluorescent CFL Light Bulb, Bright White 3500K (1-Bulb) BPPLT32E/35/HDRP - The Home Depot
GPH450T5L/4 Ultraviolet UV Lamp Bulb 4-pin Base 17.72" GPH450 UVC