IIS is proud to present the closed-cell phenolic panel, the most advanced technology used for air distribution in HVAC system. IIS offers a complete system techology approach for pre-insulated ductwork. We offer a complete line of accessories for fabrication and installation of the system, inculding professional hand tools and automatic machinery to facilitate the fabrication of the duct. IIS is a part of Qawasmi Group operation in UAE. Contact Now