4-Foot 6 Lamp 54W T5 (F54T5/850/HO) High Bay Fluorescent, Enhanced Specular (95%), Program Start
Sun Blaze T5 LED 48 - 4 ft 8 Lamp 240 Volt
Philips Lighting 25T5HO/COR/46-840/MF35/G 25/1 :: 4' LED T5 Lamp, 25W :: PLATT ELECTRIC SUPPLY
GE Starcoat T5 Lamp - 3' - Saratoga Organics and Hydroponic Supply Store in NY
High Bay Fluorescent Lighting Fixture - 4-Lamp Fluorescent Light Fixture - Fluorescent Light Bulbs Not Included - T5 High Output - GoodBulb - Walmart.com
Bluex Bulbs BlueX LED 50-Watt EQ 4-in Daylight Miniature Bi-pin (t5) Circline Type A or Type B LED Tube Light Bulb in the LED Tube Light Bulbs department at Lowes.com