Clean Rooms are now an important part of the infrastructure in contemporary industrial and laboratory settings, contributing to the establishment of both product quality and safe production. It is specifically true in the pharmaceuticals, cosmetics, and food processing as well as within semiconductor industries because air cleanliness has direct relevance to product quality and safety. Being the fundamental gear in Clean Room air purification, the placement, number, and design of Fan Filter Units are pivotal to the general output of a Clean Room. This article will examine the layout requirements of FFUs for Clean Rooms, including the nature of Class 100, Class 1000, and
Class 10000 Clean Rooms and professional Clean Room Design concepts.