Feit Electric 18-Watt 4 ft. T8/T12 G13 Type B Ballast Bypass Linear LED Tube Light Bulb, Selectable White (2-Pack) T4815/4CCT/B/LED/2 - The Home Depot
Amazon.com: CMLAMPLED F15T8 LED Tube T8 110V AC 18inch/18 Length 7W 6500K T8 LED Replacement Tube Light (6 Packs) : Everything Else
Amazon.com: RV LED Light Bulb LED T8, 18" Florescent Tube Replacement, 600 Lumen (Cool White) (4) : Automotive
Amazon.com: WYZM 2PCS F15T8 LED Tube Light,120V,7W,18" Length,5500K Daylight White,Rotatable End Caps,Frosted Cover,18 Inch LED Tube Light,18 inch LED Replacement for Bulb. : Everything Else
PestWest T8 Standard 25 Watt 18 inch Quantum Blacklight Bulb
GE Replacement LED 15-Watt EQ T8 Daylight Medium Bi-pin (G13) LED Light Bulb at Lowes.com
White 4 foot DIMMABLE 300 SMD LED T8 LED Fluorescent - 120V