Simply Conserve G24Q/GX24Q Vertical PL 18-Watt EQ Single tube Daylight GX24Q-4 Pin Base LED Light Bulb (20-Pack) in the General Purpose Light Bulbs department at Lowes.com
UVA 340 Fluorescent Lamp Aging Lamp Tube to Simulate The Noon Sunshine for Testing at School, Factory, Lab (20) - Amazon.com
Plug & Play 9 in 4-Pin LED Relamp 10 Watt PL-L 18W, F18BX, FT18DL
Cool daylight 2G11 L&L Aluminum LED PL Light - 18W, Voltage: 220Vac, Model Name/Number: Lux-PL-
Original OTTLITE type B fluorescent 18w light bulb 930lm lamp 4 pin slot PL18-B | eBay
OttLite PL18-B-FFP Tube, 1 Count (Pack of 1) - Amazon.com
Original OTTLITE type B fluorescent 18w light bulb 930lm lamp 4 pin slot PL18-B | eBay
UVA 340 Fluorescent Lamp Aging Lamp Tube to Simulate The Noon Sunshine for Testing at School, Factory, Lab (20) - Amazon.com
Amazon.com : 2 Pack SunBESTer LSF8181 Fluorescent T5 18“ 18W Single Strip Grow Lights w 2" Wide Mirror Reflector and 6500K and 2000 Lumens, Great for Seeding and VegGrow! (2, 18") : Patio, Lawn & Garden
Simply Conserve GX23-2 horizontal PL 18-Watt EQ Single tube Daylight GX23-2 Pin Base LED Light Bulb (4-Pack) in the General Purpose Light Bulbs department at Lowes.com
4 Pack) PL18W/2U/2P/827 18-Watt Double Tube G24d-2 (2 Pin) Base 2700K CFL-Plug-in Replacement for Sylvania 21109 / 20676 CF18DD/827/ECO - GE 97577 F18DBX/827/ECO - Philips 383166 PL-C18W/27/USA/ALTO - Amazon.com
OttLite PL18-B-FFP Tube, 1 Count (Pack of 1) - Amazon.com