KEEF & NISH - IRIS Air Freshener IRIS is an original Keef & Nish Air Freshener which can eliminate or neuterlising odour. The main scent of this air freshener is Citrus such as Lemon, orange, and grapefruit, those aren’t just delicious and nutritious—the smell of the fruits can boost your body’s production of serotonin, a hormone that makes you feel happy. They also reduce levels of the stress hormone norepinephrine, so you’ll wake up but still feel calm. Main Accords: Citrus, Aromatic, Tropical, Woody, Spicy Fragrance Notes: Lemon, Orange, and Grapefruit Formulation: Liquid Type: Hanging Duration: 40-45 days How To Use: Open Stopper, Tilt Down, Hang Bottle Where To Use: Cars, Restrooms, Cabinets, Dressers, and Rooms.