Description Humidify the air and create a unique sauna environment by adding a fountain to your sauna heater - Soapstone fountains are available in 3 sizes, with 1 or 3 water pillars. Aromas can be added to the water for personalized relaxation and enjoyment. Fountains fit in all heaters models, and are fairly universal to most any heater with a rock-filled heater cavity.Be sure to select your favorite Aromatherapy Oils for use with your new Fountain. Specifications Soapstone Bowl Sauna Fountain - Mounts in your Heater's Rock Tray 1 Ounce Capacity 3 1/8" Height x 2 1/8" Diameter in Size