United Airlines has announced it will add a new HEPA filtration system to maximize air flow volume and recirculation of cabin air for passengers, the company said.
The system will maximize air flow volume for all mainline aircraft high-efficiency particulate air (HEPA) filtration systems during the entire boarding and deplaning process, helping further reduce the spread of COVID-19.
In combination with the HEPA filters, the air conditioning and pressurization system onboard United´s mainline aircraft recirculates the air every 2-3 minutes and removes 99.97% of particles — including viruses and bacteria during both ground and air operations — making the air onboard a plane significantly cleaner than what people typically experience in restaurants, grocery stores, schools or even some hospitals. United pilots and ground staff are working to implement this new procedure for mainline aircraft beginning July 27.
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