PROBAC Pet Stain & Odour Remover gives you a cutting-edge natural clean for a natural home. For deep cleaning and exceptional odour controlof all hard and soft surfaces affected by pet staining. Specialised beneficial bacteria convert malodors into odourless by-product while intensifying biodegradation and permanent removal of visible stains. Safe for pets and people. (All PROBAC beneficial bacteria are classed as Category 1 micro-organisms and cannor cause harm to any living creature.)