PLUG cleans away odors, instead of simply covering them up. Plus, this air freshener plug cleans away stinks for 00 hours with just one pluggable refill (on low setting). Simply plug into any outlet to clean away stinks with a fresh, citrusy twist. PLUG air freshener refills are compatible with both the classic and newly redesigned plug warmers. Like what you smell? is also available in AIR (air freshener spray) and CAR (car air freshener vent clip).