Contec Airflow [I] Pvt Ltd manufactures Vertical Laminar Downflow Units. Contec Airflow [I] Pvt Ltd also manufactures various types of filters, dampers, risers, air handling units, perforated sheets, diffusers, laminar air flow benches etc. The Vertical Laminar Downflow Units are used for mixing, weighing and dispensing powder. The Vertical Laminar Downflow Units are used for automatic filling, bunging and sealing operations. The Vertical Laminar Downflow Units are used for operations involving open vessels of chemicals, solvents or powders or work requiring agent containment. The Vertical Laminar Downflow Units have noise level ranging from 50 to 75 db.