Nicomac Clean Rooms Far East Pvt Ltd. Offers Dispensing Unit & Down Flow Booth. Nicomac Clean Rooms Far East Pvt Ltd. Supplies granulation lines, modular clean rooms. Dispensing Unit & Down Flow Booth can be designed addressing HI containment requirements using isolation technology or glove box or, for standard dispensing using down flow booths, for both decontamination or operator protection during weighing operation. Dispensing Unit & Down Flow Booth is provided with the features of unidirectional vertical laminar flow class.