Westinghouse 3794900 18 Watt Mini-Twist CFL Light Bulb 2700K Warm White E26 (Medium) Base (4-Pack)
Plusrite 18 Watt ET2 Spiral CFL Lamp
18 Watt CFL Light Bulbs | 2 Pin G24D-2 Base 4100K Cool White | 18W High Output 1200 Lumens | Double Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack by GoodBulb - Walmart.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
Light Efficient Design LED-8039E345D-A 18 Watt LED HID Post Top Retrofit Lamp - E26 Base - 3K / 4K / 5K - 2,610 Lumens - 120-277V | PROLIGHTING
Satco 18-watt T2 Spiral CFL Bulb
Amazon.com: GoodBulb 18 Watt CFL Light Bulbs | 4 Pin GX24Q-2 Base 2700K Soft White | 18W High Output 1200 Lumens | Triple Tube Compact Fluorescent Light Bulbs Plug-in | 10 Pack : Tools & Home Improvement