Modern design and unbeatable prices come together at Crosby St. only from At Home. Our 400ml. Sandstone Marble Diffuser Refill from our Crosby St. Collection will help fill your home with a mesmerizing fragrance. It is infused with wonderful scent to create a calm and soothing atmosphere. The diffuser refill is made with essential oils to evenly disperse the aroma for days. Give any space a spa-like feel. Ideal for gift giving for scent enthusiasts.