Leviton 6668-1I SureSlide 500W Dimmer for Mark 10 Powerline, 350W Philips Marathon or dimmable CFL, Single Pole, Ivory Single Pole operation with slide to off All SureSlide devices have a linear slide control for precise operation Captive slide bar remains securely attached Compatible with Decora Plus screwless wallplates and Decora wallplates (sold separately) Built-in radio/TV interference filter