Hamilton Beach 04271R TrueAir Plug-Mount Odor Eliminator 2 speeds allow for quiet mode or quick clean mode OdorSmart carbon filter eliminates odors, does not mask them Swivel plug allows for the TrueAir Plug-Mount Odor Eliminator to be placed in almost any outlet Electronic filter replacement indicator reminds you when to change the filter Use the all purpose filter or odor specific filters designed to remove tobacco, diaper or pet odors