|This diffuser slowly releases the soft aroma of vanilla bean, bringing a constant and subtle air of freshness to the environment. Elegant glass bottle is filled with 4 oz. of perfumed oil, which lasts for 3-4 mos. Eight wooden reeds absorb the oil and softly diffuse it into the room. Refreshes a bedroom, bathroom, living area or office without fire, smoke or burning. Measures 10" x 2" x 2".