Satco S7225 18-Watt Medium Base T2 Mini Spiral, 4100K, 120V, Equivalent to 75-Watt Incandescent Lamp for Enclosed Fixtures - Incandescent Bulbs - Amazon.com
18W Daylight LED Bulb - The Daylight Company
Feit Electric 18-Watt Equivalent PL CFLNI Triple Tube 4-Pin GX24Q-2 Base Compact Fluorescent CFL Light Bulb, Soft White 2700K (1-Bulb) BPPLT18E/HDRP - The Home Depot
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
Viribright 18 Watt Equivalent A19 GU24/Twist And Lock LED Bulb | Wayfair
Philips 18W 4 Pin G24q2 Very Warm White Double Twin Tube CFL Bulb | PL-C 18W/827/4P/ALTO (4 Pin) | Bulbs.com
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
32W Equivalent 4000K 18W LED 48" Universal Tube Bulb - #1R496 | Lamps Plus
18 Watts (75 Watts Equivalent) Energy Saving Light Bulb, Soft White – MarketCOL