OlympianLED 18W (2200 Lumen) 32W Replacement LED T8 T10 Tube for 48" 1.2m 4ft Fluorescent Replacement Light Lamp Fixture Ballast Compatible 5000K UL ETL DLC Ballast Compatible -- works with T8 ballasts (NOT T12 ballasts) Works without ballast, wired directly into 110.