Bio-Air-Fresh Improving the prevailing air Adjusting and reducing dust Detachment of the reproductive tracts Bio-Air-Fresh Bio-Air-Fresh consists of herbal extracts in order to improve the prevailing air in the dwelling of birds. The herbal oils in this product eliminate unpleasant odors and positively affect the respiratory tract of pigeons. Especially the sorrel eucalyptus oil, positively affects the physiology of mucus to expel it. Eucalyptus and peppermint oils stimulate blood flow to the important reproductive tracts of racing birds. Especially the sorrel eucalyptus oil, positively affects the physiology of mucus to expel it. Eucalyptus and peppermint oils stimulate blood flow to the important reproductive tracts of racing birds. It has a role in controlling and reducing bathroom dust in the air. How to use: Spray all over the bird house during the evening. It is used at all times of the year.