This attractive, easy-to-install dispenser is ideal for placing on air vents, doors, hamper lids or anywhere else you would like to place a Bead Bag to freshen the air. The Flow Fresh Dispenser has vents both front and back, allowing air to pass through the dispenser and fragrance beads. Each dispenser comes with double-faced tape on the back for easy installation. These bead bags are a favorite for hotels who place them in room air vents for inexpensive, constant freshness. Janitorial companies also throw one in vacuum cleaner bags while vacuuming and in trash cans below the bag.