“Is the glass in the glass hepa fiber glass , and does the glass ever get released into the air?”
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Yes and no: the glass isn’t fiberglass in the conventional sense. It’s not like glass fiber laced resin used to make solid panels, rather, the glass fibers are arranged in an orientation that makes it very effective at catching very small particulate matter. It’s a common design associated with true HEPA filtration. Now on the matter of it breaking down, the short answer is no. Over time, the filter can deteriorate and the glass structure can absolutely break down and send some particles out of the filter. The real world chances of breathing enough in to hurt you is virtually nonexistent, but in order for that to happen in the first place, the filter must either be damaged, are far beyond its useful life. I’m short, if you change the filters as regularly as you should, you can rest assured that there’s no glass matter coming out the business end of the filter.
Sorry, there was a problem. Please try again later.Hi there, this is Tia from Dyson. This filter is manufactured with fiberglass and its fibers don't break down into the atmosphere. The Dyson Combi 360° Glass HEPA and Activated Carbon filter will capture 99.97% of allergens, viruses, and particles as small as 0.3 microns from your home. We would recommend that you replace your filter after 12 months to maintain acceptable fan performance, if you plan to operate your purifier on maximum mode at least 12 hours a day. Thanks for your support of Dyson technology. Best wishes, Tia Dyson Customer Support
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