Hendi Hot Air Oven with Moisture Injection H90S The Hendi Hot Air Oven with Moisture Injection H90S has a stainless steel casing and a double-glazed door. The inside has partially enamelled material and lighting. Heating is done by 2 heating elements and 2 fans up to 300°C. A manually operated push button allows you to inject moisture directly. The oven comes with 4 trays, which are spaced 7 centimetres apart in the oven. The door has a cool touch and can be taken off for cleaning.