ourfreshe refills are the professional 30-day plug-in air freshener refills for larger spaces. Dry fragrance so there's no sticky residue or messy liquids. ourfreshe refills last 30 days, are made with essential oils, and are 100% recyclable. Scent: Spa Minerals; Physical Form: Solid; Application: Odor Control; Capacity (Weight): 2.54 oz.