LUXRITE 18-Watt 4 ft. Linear T8 LED Tube Light Bulb 3 Color 4000K 5000K 6500K Single and Double End Powered 2340 Lumens (4-Pack) LR34236-4PK - The Home Depot
Best 4 Feet(1.2M) 18 Watt T8 LED Fluorescent Tube Light
4 Foot 18 Watt LED T8 Tube Light - Bypass Only (Case of 30) - Only $3.99 Each | eBay