Nilotron™ Air Freshener Designer Series Dispenser keeps rooms smelling fresh. Choose from three spray intervals; 7.5 minutes, 15 minutes or 30 minutes and two operation mode selections; 24 hours or daytime mode. Features low battery and empty can indicator lights for "no-guess" operation. Refills may be purchased separately with a wide variety of fragrances from which to choose. Each Refill contains over 3,000 metered sprays. Nilotron™ Air Freshener Dispensers are ideal for pet stores, kennels, vet clinics, homes, grooming shops or any room you desire a pleasant scent. The Designer Series Dispenser includes a one year limited warranty.