When simulated filament LED bulbs (called "Edison") first appeared a few years ago, they were either not designed to be operated with a dimmer, or they were they were, but the dimming performance was very poor. I installed three of these in a bathroom light controlled by the best dimmer on the market, Lutron Maestro CL, amazon.com/gp/product/B008X3CHM0 Of course I don't have a lab method for testing brightness or minimal flicker, but subjectively these bulbs are excellent in both cases. But the