The Smell of Spring® - Reed Diffuser Set - 4 EA{ overview } The Smell of Spring Reed Diffuser set allows for the continuous release of fragrance over months at a time. Filled with floral fragrances of hyacinth, jasmine and rose, touched lightly with lily of the valley this reed diffuser is the perfect no flame, fragrant accent to your favorite space. ~ Directions: Place diffuser bottle on a flat surface. Insert reeds. Let oil absorb for 6 12 hours. To maximize fragrance, invert reeds as needed.