ETi 48-Watt 4 ft. Linear LED Tube Light Bulb Retrofit Conversion Kit Replaces 8 ft. T8 T12 Fluorescent Bulb 7200 Lumen 5000K 64101162 - The Home Depot
F96 T8 retrofit lighting kits 866-637-1530
ETi 48-Watt 4 ft. Linear LED Tube Light Bulb Retrofit Conversion Kit Replaces 8 ft. T8 T12 Fluorescent 7200 Lumens (8-Pack) 64101162-8PK - The Home Depot
Daylight 5000 Kelvin LED Retrofit Kit for 4 Bulb 2x4 Fixtures or 2 Bulb 2x8 Foot Fluorescent Troffer
toggled 64-Watt 4 ft. Dimmable Linear LED Tube Light Bulb Retrofit Conversion Kit Replaces 8 ft. T8/T12 Bulb 8000 Lumens 5000K FC8TO4-D416-50321 - The Home Depot
T8 LED Tube Lights, Frosted | LED LIGHTING | SUNCO – Sunco Lighting
8ft T8 / T12 LED Tube - 2 4-foot Sections - 36W - 5040 Lumens - Dual End Electric Ballast Compatible Type A - 75W Equivalent - 5000K | Super Bright LEDs
LED T12 8ft. retrofit kit for converting 8ft. fluorescent T12 tubes to 4ft. T8 LED Tubes pre-wired