Passive air-freshening system delivers a powerful, consistent freshness for 30 days without any batteries or fans. Its unique, durable design cannot break or spill for reliable performance in high-traffic areas. Air freshener is perfect for use in restrooms, conference rooms, entry ways, lobbies, trash rooms and more. Air freshener is compatible with the Fresh Products dispenser (sold separately) and TC, TimeMist, Ecolab, Hospeco, Kimberly-Clark and Vectair fan dispensers (each sold separately).