Therapy Air air purifier removes 99.8% of air contaminants, including pollen, mould, mites, dust, allergen, virus, bacteria. EdelWasser water purifier removes 99.9% of water impurities, including fluoride, chlorine, heavy metals, bacteria, virus, pesticides, taste and odour. MyIon portable air steriliser is perfect for people with allergies and hay fever. Creates a protective bubble around the head against viruses, bacteria, allergens.