GE Lighting (Pack of 4) Fluorescent F20T12 Daylight, 24 inch, 20 watt T12, Fluorescent Light Bulb - Amazon.com
Feit Electric 20-Watt 4 ft. T12 G13 Type A Plug and Play Linear LED Tube Light Bulb, Bright White 3000K (2-Pack) T1248/830/LEDG2/2/RP - The Home Depot
T8 LED Tube Lights - 2 ft. -10 Watt - 20W Equivalent
China Customized Energy Saving 20 Watt 4 Foot T8 LED Tube Lights Manufacturers, Suppliers - Factory Direct Price - TOPPO
LEDMyplace 20W 4ft T8 Dimmable LED Tube Light, 3000 Lumens, 4000K Frosted Natural White, Ballast Compatible Work with and Without Ballast, ETL and DLC Listed, for Factory, Workshop, Pack of 4 - Amazon.com
Feit Electric 20-Watt 2 ft. T12 G13 Linear Fluorescent Tube Light Bulb, Cool White 4100K (2-Pack) F20T12/CW/2 - The Home Depot
Philips 20-Watt 2 ft. Linear T12 Fluorescent Tube Light Bulb Daylight (5000K) (30-Pack) 543488 - The Home Depot
Aspectek 10-Watt Ultraviolet Tube, Replacement UV Lightbulb for Insect Killer 20-Watt (2-Pack) HR292RH2 - The Home Depot
China 120cm Led Tube Light 20 Watt 4ft Suppliers, Manufacturers, Factory - Best Price - BENWEI
IP INDUSTRIAL PERFORMANCE Fluorescent F20T12/B, 20 Watt, 24", Blue Filament T12 Tube Light Bulb (1 Pack) - Amazon.com