Premier Aluminium Milk Double Boiler 1.5Litres High Quality SS Premier Aluminum Milk Boiler 1.5 liter capacity Gently and slowly warm the milk to its boiling temperature, retaining the nutritious flavor The double walled boiler with an annular gap for water in a compact space saving design The convenient whistle lets you know when the milk begins to boil Helps you make fresh un-scaled Yogurt