Cooktops for mounting into benchtops are available in sizes from 30 centimetres and upwards. Cooktops are available is electric, gas, induction or as a dual fuel combination. Some cooktops can be fitted with down draught extraction units providing a completely integrated appliance. Cooktops how manufactured with steel hubs with elements protruding and are available in either white enamel or stainless steel finish, glass cooktops are now available for electric, induction and also for gas cooking with the glass cooktops being easier to clean