Superior in Every Degree F—S Saunas Exquisitely designed, masterfully crafted All Saunas Full Spectrum Infrared & Red Light Far Infrared Outdoor Nu-a II — up tp 2 people Nu-a III — up to 3 people Nu-a IV — up to 4 people Nyssa II — up to 2 people Nyssa III — up to 3 people Nyssa IV — up to 4 people Outdoor Barrel — up to 4 people Nu-a II — up to 2 people Nu-a III — up to 3 people Nu-a IV — up to 4 people Outdoor Barrel — up to 4 people Nyssa II — up to 2 people Nyssa III — up to 3 people Nyssa IV — up to 4 people Outdoor Barrel — up to 4 people Lifetime Heater Warranty Low EMF Australian owned and run since 2008.