HMG Design, Manufacture & Install Clean Work Stations. Laminar Flow Benches, Mobile Enclosure, Biological Safety Cabinets, Powder Dispensing Units, Garment Cubicles, Pressure Module, Pass Box and other Air-filtration Systems & Filters to Control Airborne Contamination to meet individual requirements. Our Equipments meets Class 100 Cleanliness as per US Fedral Standard 209 E.