115 to 240 operation, this bulb is a direct drop in for your T12 or T8 location.  Please note for cylinders designed to ride on T12 bulbs, a spacer may be required. These do not require a ballast but will work with it in place, you do need to remove the starter.

Directions:

Remove your old fluorescent tube and starter. Then, install your new LED tube. You
don’t need a starter anymore. You can simply leave the ballast intact or bypass it when its
broken.