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The Yomiuri Shimbun A man walks through a Daiwa House air shower in Kashihara, Nara Prefecture.
The Yomiuri Shimbun
13:15 JST, April 9, 2022
Daiwa House Industry Co. has developed an indoor, walk-through air shower that helps remove pollen from the body, thus ameliorating the effects of hay fever.
The device uses Sharp Corp.’s ion-generation technology, which neutralizes static electricity, making it easier for pollen to be removed. The sides and top of the air shower are coated with titanium oxide, a photocatalyst that produces an allergen-reducing chemical reaction when exposed to light.
According to the company, the air shower can reduce the amount of pollen brought into a room by more than 80%, while the photocatalyst reduces the effect of allergens by 99.4%.
The company is currently trialing the device at hotels in Osaka City and Kashihara, Nara Prefecture. The result of the tests — based on questionnaires filled out by guests — will be examined by Nara Medical University.
The company believes the air shower has wider use beyond hotels, such as at condominiums and commercial facilities.
