Woodwick Candle Reed Diffuser 7 Oz. - Cinnamon Chai features a highly concentrated fragrance infused with essential oils. Designed to last up to 3 months or more, each diffuser features 7 oz. of genuine Woodwick fragrance oil and 12 natural espresso reeds. Woodwick Reed Diffusers are the perfect way to continuously fragrance any space. Cinnamon Chai combines spicy cinnamon with rich vanilla notes.