GOLDEN VALLEY, Minn. - A risk of bacteria exposure has prompted the recall of six brands of dry carpet cleaner.

The recall involves about 550,000 units of dry carpet cleaner under the following brand names:

-- Arm and Hammer

-- Capture

-- Healthy Home

-- Oreck

-- Resista

-- Riccar

These recalled units can contain harmful bacteria which may pose a risk of respiratory and other infections in people with weak immune systems.

The products under recall were sold between July of 2015 and September of 2016.

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