4ft - Direct Wire

(13 results)

Type B | Direct Wire Ballast Bypass LED Tubes

Type B - Direct Wire or Ballast Bypass 4 ft Retrofit T8 LED Tubes replace traditional fluorescent bulbs and work by bypassing the existing ballast in your fixture. There is some rewiring involved in retrofitting your fixtures with Type B T8 bulbs, and you can choose from Single Ended or Double Ended options depending on your needs. If you need help in figuring out the best match for your setup, please reach out to our lighting gurus here at GoodBulb. 


Kelvin Scale

Type B | Direct Wire Ballast Bypass LED Tubes

Type B - Direct Wire or Ballast Bypass 4 ft Retrofit T8 LED Tubes replace traditional fluorescent bulbs and work by bypassing the existing ballast in your fixture. There is some rewiring involved in retrofitting your fixtures with Type B T8 bulbs, and you can choose from Single Ended or Double Ended options depending on your needs. If you need help in figuring out the best match for your setup, please reach out to our lighting gurus here at GoodBulb. 


Kelvin Scale