Philips 532424 - LED 4-Pin-Base CFL Replacement | LightBulbs.com
Philips Master PL-C 10W 840 4P - Svetila.com
10-Pack) Philips 458372 8.5PL-C/T LED/26H-3000 IF 4P 8.5-Watt LED Plug & Play Lamp Replacement for 4-Pin CFL Light Bulb, Horizontal Mount (3000K) - - Amazon.com