Modern design and unbeatable prices come together at Crosby St. only from At Home. Our 400ml. 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.