Can I also use winwinCLEAN Fresh Air in diffusers or oil burners? Yes, works best! Can I also use winwinCLEAN Fresh Air in water vacuum cleaners? Yes, take 15-30 ml Fresh Air to 1.5 litres of water. Can winwinCLEAN Fresh Air also be used for cleaning? Yes, perfect! Especially for cleaning sensitive surfaces, high-gloss lacquered surfaces, leather, etc. Can winwinCLEAN Fresh Air help allergy sufferers? Yes, in combination with the winwinCLEAN Air Blow, dust and floating particles are significantly reduced. We recommend the neutral version Fresh Air Zero for allergy sufferers.