Werker 4 Foot T8 14 Watt 5000k Daylight Energy Efficient Plug-and-Play LED Tube - LED11663 at Batteries Plus
NICOR Lighting 4 Ft. Double Row T8 Fluorescent Linear Strip Light Fixture (10395EB) - Close To Ceiling Light Fixtures - Amazon.com
NICOR 4 ft. 32-Watt Single Row T8 Fluorescent White Linear Strip Light Fixture 10392EB - The Home Depot
Class 1 Division 1 Explosion Proof 4' T8 Fluorescent Light
4 Foot LED Tube, Hybrid, Dual Mode 3 in 1, Will Work With or Without Ballast, Replaces 32 to 45 Watt Fluorescent, 2,700 Lumen, 10 Year Warranty - LED Global Supply