Kitchen gadget maker SodaStream is recalling 51,000 bottles because of a risk that they may explode.
The Consumer Product Safety Commission said Tuesday that thousands of SodaStream’s carbonated bottles “can burst under pressure, posing an injury hazard to the user or bystanders.” No one has yet been injured, according to the recall notice.
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The safety commission said that the recall affects one-liter bottles with an expiration date of “4/2020,” which is printed on bottle labels.
Affected bottles were sold from Feb. 2016 through Jan. 2017 at stores including Bed Bath & Beyond (bbby), Target (tgt), and Walmart (wmt) as well as the online through Amazon (amzn) and SodaStream. The carbonated bottles sold for $15, the safety commission said.
People who bought one of the affected carbonated bottles can contact SodaStream via phone or through the company’s website for a refund.
The safety commission recommends people to “immediately stop using the recalled carbonating bottles.”
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Fortune contacted SodaStream for more information and will update this story if it responds.