Philips 13W 2 Pin GX23 Warm White Single Twin Tube CFL Bulb | PL-S 13W/27 | Bulbs.com
Feit Electric 13W/18W/26W Equivalent PL Vertical 4-Pin Universal Base G24Q/GX24Q-1/-2/-3 with CCT Select LED Light Bulb (12-Pack) PL26AVCCTLED/HDRP/12 - The Home Depot