Works with the ActiveAire® Freshener Dispensers to automatically stop odor in the stall and enhance the restroom experience for all. Mounted atop the Compact® Side-By-Side Bath Tissue Dispenser, this state-of-the art odor management system uses motion-sensing technology to automatically neutralize odor while release a burst of freshness up entering and leaving the stall. It's on demand feature can be activated with the wave of a hand if a visitor needs a little extra burst of freshness. Provides sustained freshness for at least 30 days.