Big D 747 Fully-Programmable Aerosol Dispenser, Transparent Gray, Covers Space of 6000 cu ft - Automatic air freshener ideal for restrooms, offices, schools, restaurants, hotels, stores Deodorizes a 6000 cu. ft. space Can be programmed for either 5-day or 7-day service Spray intervals may be set from 1 to 60 per hour Use in restrooms, schools, hospitality, food service and property management Transparent Gray