Puff Biological Oxygen Demand Incubator is fabricated using quality grade materials to ensure durability of use for a long time. The Oxygen Demand Incubator is made using quality grade stainless steel and offers puff insulation. The Oxygen Demand Incubator consists of metal door with magnetic gaskets and lock. The Puff Biological Oxygen Demand Incubator is provided with perforated trays at adjustable distance.