Slim-line, high-impact, chemical-resistant plastic cabinet automatically activates metered refill every 15 minutes, 24 hours a day, for 30 days. Operates one year on two C batteries sold separately. Materials: Plastic Colors: Beige Depth: 3 1/4".WTB321131TM. 321131TM. Timemist Classic Metered Aerosol Dispenser.