Profile: Biobase supplies solutions for control and precaution against human infectious diseases. Our services range from researching, designing and manufacturing medical instruments & biological goods to protect buildings. Our product catalog consist of laboratory equipments, decorative materials, protection equipments and experimental consumables. Class I biological safety cabinet is a negative-pressure ventilated cabinet usually operated with an open front and a minimum face velocity at the work opening of at least 75 linear feet per minute (lfpm). All of the air from the cabinet is sent through a HEPA filter, either into the laboratory or to the outside.