Plug and Play Universal Fit LED T8 4 FT Tubes, 3000K Soft White, 15 Watt, 1900 Lumens - Works with electronic T8 ballasts or without ballasts (bypass), Clear Lens
Source T8 fluorescent fixture 40mm width 1x40W single tube fitting with reflector 4 feet long on m.alibaba.com
LED Batten Light With Plug - DIY LED 4 Foot Single or Double Batten Light w/ Tubes - The Lighting Outlet
40W Equivalent 4 Ft. Linear T12 Type a Instant Fit Cool White LED Tube Light Bul | eBay
Philips 40W Equivalent 4 ft. Linear T12 Type A Instant Fit Cool White LED Tube Light Bulb (4000K) (1-Pack) 544759 - The Home Depot
Amazon.com: Philips LED Frosted Universal Fit 4-Foot T8 Tube Glass Light Bulb, EyeComfort Technology, Non-Dimmable, 1800 Lumen, Daylight Deluxe (6500K), 16W=32W, Medium Bi-Pin G13 Base, (Pack of 10) (539171) : Everything Else
ANTLUX Linkable 4 Foot LED Wraparound Shop Light Flush Mount Garage Lights, 40W 4400 Lumens, 4000K, 4FT LED Wrap Lights, Linear Puff Ceiling Lighting Fixture, Fluorescent Tube Replacement, 4 Pack - Amazon.com
EiKO 4-Foot LED T5 Direct Fit Replacement Lamp 25 Watt, Pack of 25