Glade Automatic Spray is a battery-operated unit that time-releases fragrance automatically, while a boost button provides more control with an instant burst of fragrance, and when it comes to certain rooms in our home, that's called peace of mind. Glade Automatic Spray Air Freshener Refills, Cashmere Woods, 4 - 6.2 Ounce Cans. Decorative, etched designed automatic air freshener that complements the decor of many rooms. A portable, battery-operated air freshener unit adds fragrance anywhere.