REPLACEMENT BULB FOR PHILIPS PL-L/4P 18W/830 18W | eBay
18 Watt Replacement Omni LED PLL Light Bulbs | Commercial 15 Watt Type B 4 Pin 2G11 Base 4000K Cool White | High Output 1200 Lumens | 120° Beam LED Plug-in Light Bulbs | 10 Pack by GoodBulb - - Amazon.com