The R-Pur Nano is one handsome-looking particle mask

Designed with bikers, cyclists and runners in mind, the mask is both useful and stylish.

Patrick Holland

Patrick Holland has been a phone reviewer for CNET since 2016. He is a former theater director who occasionally makes short films. Patrick has an eye for photography and a passion for everything mobile. He is a colorful raconteur who will guide you through the ever-changing, fast-paced world of phones, especially the iPhone and iOS. He used to co-host CNET's I'm So Obsessed podcast and interviewed guests like Jeff Goldblum, Alfre Woodard, Stephen Merchant, Sam Jay, Edgar Wright and Roy Wood Jr.

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Joshua Goldman Managing Editor / Advice

Managing Editor Josh Goldman is a laptop expert and has been writing about and reviewing them since built-in Wi-Fi was an optional feature. He also covers almost anything connected to a PC, including keyboards, mice, USB-C docks and PC gaming accessories. In addition, he writes about cameras, including action cams and drones. And while he doesn't consider himself a gamer, he spends entirely too much time playing them.

Expertise Laptops, desktops and computer and PC gaming accessories including keyboards, mice and controllers, cameras, action cameras and drones Credentials

More than two decades experience writing about PCs and accessories, and 15 years writing about cameras of all kinds.

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Patrick Holland

Joshua Goldman

Jan. 7, 2019 2:00 p.m. PT

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French company R-Pur wants to tackle a part of our air pollution problem with its Nano anti-pollution mask aimed at runners and riders of bikes, scooters and motorcycles.

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It filters out toxic particles, pollen, viruses, bacteria and the fine particles found in diesel exhaust.

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The front has an extraction valve to let hot air out fast when you're exerting yourself running or cycling.

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R-Pur has an app that tracks the wear and tear of the filter. Depending on your use, a filter can last between 5 and 12 weeks.

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A representative for R-Pur showed us a new prototype of the Nano mask that lights up in different colors.

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As the mask moves through the air, colors reflect the air quality.

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For example it might glow green if the air is good, or red if it's bad.

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The R-Pur Nano is currently available in Europe for 170 euros, which converts roughly to $200, £150, AU$275. It will be available to order in the US later this year. Extra filters cost 78 euros.

Read out first look of the R-Pur Nano mask at CES 2019.