Newhouse Lighting 18-Watt Equivalent T5 Halogen Replacement LED Light Bulb Warm White (4-Pack) T5-3018-4 - The Home Depot
Amazon.com : 2 Pack LSL8181W White LED 18" 18Watt Linkable Single Strip Grow Lights w 2" Wide Mirror Reflector and FullSun 5500K Spectrum and 2750 Lumens, Great for Seeding and VegGrow! :
Pack of 2) K21471 LED PAR38/FL 120V - 18 Watt High Output (100W Replacement) PAR38 Flood - 120 Volt - LED Light Bulbs Indoor & Outdoor Use 3000K (Soft White) - Amazon.com
Envision LED LED-T8-DF-GL-4FT-18W-40K 18 watt LED 48" Linear Tube Lamp – Lighting Supply Guy
18W, 4Ft, LED T8 Tube, 2000Lm, 4500-5000K, Clear, IP40 UL | LEDRadiant
18 Watt T8 LED Tube Light | 2740 Lumens | 4000K or 5000K | 100V-277V | 25 Pack
Great Value 18 Year LED Light Bulbs, A19 60 Watts Equivalent, E26, Soft White Clear, Glass, 4 Pack - Walmart.com
LED Cooler Light | 18 Watt | 2340 Lumens | 5000K | 100V-277V | 4ft | W – Nothing But LEDs