Allergen Cleaner Allergy対策 / Pollen & Dust Mite Removal / Vacuum Cleaner Nozzle Futon Cleaning Nozzle BabyRoller / Made in Japan Cleaner Suction Nozzle For the relief of asthma and hay fever symptoms. Simply attach it to your vacuum cleaner. My child has asthma, so this has been very helpful for removing dust mites from futons and sofas for a long time. I'm putting it up for sale because I don't need to use it anymore. There are some fine scratches on the surface, but there are no problems with use. Please consider this item, understanding that it is a used product.