ICS 5w-20w LED PL Plug-In Corn Light, Cluster 360 Degree with G24d (2 Pin) or G24q (4Pin) Base 3K - 5K
Philips 008472 - MASTER PL-L 18W/840/4P Single Tube 4 Pin Base Compact Fluorescent Light Bulb - Walmart.com
Amazon.com: SATZOL 5W 2G7 2GX7 LED Horizontal PL Bulb 6000K, Replacement for 9W 4 Pin PLS Fluorecent CFL Bulbs, Work with The 2G7 and 2GX7 Socket, Bypass The Ballast : Everything Else