Contec Airflow [I] Pvt Ltd manufactures Single Skin Air Handling Unit. 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 Single Skin Air Handling Unit is used for all ventilation application. The Single Skin Air Handling Unit has a single casing made of galvanized iron. The Single Skin Air Handling Unit has a rigid framework which comprises an assembly of externally chambered extruded aluminium profiles and nylon glass fibre corner joints.