Contec airflow is an engineering company that serves the hvac industry.The company also offers validation / testing. They provide systematic documentation. The manufactured product by the company includes filters, dampers, risers, air handling units, grills, diffusers, perforated sheets, laminar airflow benches, hepa boxes etc.
Contec airflow pvt. Ltd offers diffusers of three types-square [free four way distribution pattern]; rectangular [free four way distribution system] and circular [360 draft free air distribution patterns]. Diffusers are designed to reduce ceiling smudging. It also ensures proper airflow pattern and uniform air distribution. The product can be made of aluminum, mild steel or stainless steel.