CLAX is the world wide leader company, specialized in the engineering, chemical production and installation of pure cast Acrylic standard and oversize block, for underwater use. Moreover this production, we've a 40 years old experience in the acrylic production and manufacturing process. Our know how in this field, allow us to be very accurate but "flexible", and it is one of our main strengths. We also heave national and international certifications for our production systems/process and our products, for underwater use. (as the DNV - Germanischer Lloyds certification - including PVHO-1,). Naturally we can produce Tunnels, Cylinders and even more complex shapes. All our production is made in pure cast PMMA, is totally certificated, and has an high molecule weight. Today CLAX has successfully completed several aquariums worldwide in USA, EUORPE, ASIA, ME, AUSTRALIA, NORTH and South Africa.