An anteroom between a primary room and corridor ensures a safe airflow buffer zone between the controlled pressurized space and an unclean area. The two spaces are separated by a completely walled area with a door. However, in some applications an ante area without walls or a door can achieve the same effect.Click to see full answer. Also know, what is the difference between an ante and buffer area?An ante area is a buffer zone of laminar or displacement airflow near a clean work area, such as a pharmaceutical compounding space. There is no physical separation between a gowning or wash area and the compounding area.Furthermore, what is an anteroom in a pharmacy? ISO 7/8 Anteroom The anteroom, also called ante-room or antechamber, is an area in close proximity to the cleanroom where technicians perform support tasks. The anteroom is usually equipped with a sink, cabinets, bench, etc. Correspondingly, what is the buffer room? Buffer area. – an area in which hoods are kept and IV preparation takes place. Clean room. – a space where microbial containment is kept at a specific level of safety to ensure a certain level of cleanliness. Compounding aseptic isolator (CAI)What is a hospital ante room?An anteroom is an essential tool for hospital renovation, maintenance and infection control. It is simply a smaller room one would enter before entering a much larger room. They are one part of infection control that allows facilities to conduct renovations without having to shut down areas of the hospital.