4 Foot 18 Watt Single Ended Bypass T8 LED Tube Light – Green Electrical Supply
LUXRITE 18-Watt 4 ft. Linear T8 LED Tube Light Bulb 3 Color Selectable Single and Double End Powered 2340 Lumens F32T8 (4-Pack) LR34235-4PK - The Home Depot
Case of 10 - T8 LED 4ft. Tube - 18 Watt - 3100 Lumens - Type C External Driver - GE