Linear LED Bulb: T8, Medium Bi-Pin (G13), 4 ft Nominal Lg, 25 W/28 W/32 W LFL, 21 W Watts - Walmart.com
T8 4FT LED Tube Light Bulb 22W 28W 60W G13 4 Foot LED Shop Light 4000K~6000K | eBay
Philips TUV36W T8- G13 Base Germicidal UV Light Bulb
4FT T8 G13 LED Tube Light Bulb 60W 6000K Cool White LED Shop Light Bulbs 8 Pack | eBay
KALINA 2FT LED Tube Lights, 24" 8W(25W Fluorescent Bulb Replacement) LED Tube Light Fixture, Two Pin G13 Base, 6000K, Works Without Ballast, Dual-Ended Powered, Clear Cover, Pack of 4
Luxrite 32-Watt EQ 48-in Bright White G13 Linear Type A or Type B LED Tube Light Bulb (12-Pack) in the LED Tube Light Bulbs department at Lowes.com
CURRENT, T8, Medium Bi-Pin (G13), Linear Fluorescent Bulb - 4PL16|F32T8/SPX41/ECO2 - Grainger
SUNLITE 9w 5000k T8 24 inch G13 Base LED tube Super White light bulb – BulbAmerica
4FT T8 LED Tube Light Bulbs 22W 28W 60W G13 2-Pin 6500K LED Shop Light Bulb | eBay
Feit Electric T36/830/LEDG2 Plug and Play Led Light Bulb, Linear, T8 Lamp, G13 Lamp Base, Frosted, Warm White Light (017801907254-1)
Luxrite 32-Watt EQ 48-in Soft White G13 Linear Type A or Type B LED Tube Light Bulb (12-Pack) in the LED Tube Light Bulbs department at Lowes.com