Amazon.com: Capri Blue Volcano Reed Diffuser Set Includes Reed Volcano Diffusers Capri Blue Capri Blue Volcano Signature 8 oz. Reed Diffuser Dillard's Volcano Diffusers Capri Blue Capri Blue Signature Oversized 28oz Jar Volcano Mercury Capri Blue Volcano No 6 Reed Diffuser. Bring vibrant energy to your space with the Capri Blue Volcano Mercury Iridescent Reed Diffuser. Infused with the signature tropical blend of sugary citrus and exotic fruits, this diffuser enchants your room while the shimmering iridescent vessel adds a splash of style. Simply flip the reeds to refresh the lively scent and enjoy a bright, inviting atmosphere that keeps your space feeling fresh and fun all day long.