Vertical Laminar Air Flow unit draws air in through the top or side of the unit through pre-filter ,through a plenum and vertically down over the work surface and past the lap of the operator. It has the advantage of not passing air towards the face of the operator. It is used for work with low risk substances with protection of working material from
environment. MS CRCA or SS 304 perforated grill is provided at filter face as per requirement.