The inceasing demand fo flexible duct ventilation ducts and connectors in HVAC sector which we have produced under the brand name of ESBO and KUGAR since 1998 has made ISIL A.S as one of the leading company in the sector.The new vision might undoubtedly be a new brand,as one of the means that would reflect our new products and new service understanding.FLEXIVA has emerged as a product of this understanding and seeking.