The Sonata Stem is available in three sizes: 6", 7" & 8" with a 6oz reservoir and corresponding burn time of 48 hours. We recommend the 6" or 7" for 2-4 person table; 7" or 8" for 4-6 person table & 8" for 6 or more person table. Fiberglass wick and funnel included. These lamps are available wholesale to restaurants with an exclusive contract for lamp fuel of a minimum of one year! For more information email us at: wholesale@auraoil.com or call: 561-265-1886 and ask for Marshall, or fill out the catalogue order form. If a restaurant, please provide us with your name and address, phone number and tax ID.