Contempory and of puristic design, manufactured from high quality stainless steel and flow-optimized the Weather Protection Grill Prime is also particularly suitable for air extraction solutions with an air performance of over 300 m/h. High performance extractor hoods are thereby taken into account. The new Weather Protection Grills have been energetically and structurally optimized . Moreover, they are equipped with a continuous tear-off edge so that the façade is protected from dripping water. The new Weather protection Grills can be easily painted over or coated with plaster, glass and other materials a highlight for all who favour clear and unfussy surfaces. Compared to the hitherto market-leading weather grills, Weather Grill Prime is characterized by the significantly lower pressure loss of up to 50%. A figure that is unparalled! The new Weather Protection Prime Grills are available as and from 1. April 2016 for pipe systems of a diameter of 150 mm as well as flat duct systems (height 82 mm and 100 mm).