Yes, T8 LED bulbs can often replace T12 bulbs because they are the same length and use the same bi-pin (G13) base.

Power Integrations Sets New Standard for Power Density in LED-Driver Reference Design for T8-Tube Replacement New design delivers small size, high efficiency and long-lifetime for retrofit tube ...

Philips SON-T 17W And 26W LED Bulbs Feature A Built-In Gan Systems-Based Driver, Eliminating External Power Supply OTTAWA, ON / ACCESSWIRE / October 28, 2021 / GaN Systems, the global leader in GaN ...