Unopened. Can be used in humidifiers, aroma diffusers, and air purifiers. Use at a ratio of one capful (5mL) of this product per 1L of water. Contents: 250mL Disinfecting, deodorizing, and antibacterial. Ingredients: ionized minerals, water, zeolite. Made in Japan Clean Mist with deodorizing and antibacterial effects. - Product Name: Clean Mist - Purpose: Deodorizing and antibacterial - Brand Name: Three-up Clean Mist Air purifier Humidifier Aroma diffuser Antibacterial liquid Made in Japan CMT-1528