Rittal offers fans and filters with solutions for achieving both high airflow rates and an ip protection level against water and dust to ip56. The quick fastening system enables easy installation by using a `quick-clip` design, making the need for screws obsolete. The units also offer high protection and easier servicing, and are based on the previous rittal range in terms of dimensions of both grill and cut-out. The units are supplied ready to install, with ip54 filter mat.