Commenting on the recent renovations, Ms Stephens said: “I am absolutely delighted with the work that has been carried out and Dortech’s customer service and professional installation has been second to none. Particulate smog is a mixture of solid and liquid particles which are suspended in mid-air that you just breathe. It is best to classify air particles from the aerodynamic properties as these properties determine the removal of them from the air, and where they deposit inside your breathing.