London - Unilever agreed to buy Blueair, a Swedish maker of household air purifiers used to remove allergens so asthma sufferers can breathe more easily.
The Stockholm-based company had sales of $106m last year, Unilever said in a statement on Tuesday, without disclosing the price.
The company is one of the largest makers of premium air purifiers in China, the US, Japan, South Korea and India.
Unilever said the purchase will complement its water-purification business.
The company has been relying on deodorants and hair-care products to prop up revenue this year as sales of its margarine and bread spreads lag.
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