Two new diameters of polyurethane hoses  with a wall thickness of 0.4, 0.6 and 0.9 were sent to mass production.  Respectively AIRSPAL, AIRSPAL MIDDLE, AIRSPAL SUPRA.  Diameters 63 and 80 mm.  The plans are 50, 75 and 90 mm.  The equipment is made according to new improved drawings.  6 positions have been added to the model range from 102 to 350 mm this summer.