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Virgin Goes with Bipolar Ionization

“There are many ways to clean the air,” Schwalb said. “The most basic is to move fresh air through a filter and suck out the old air. That works up to a point, depending on how often the air is exchanged and how big or small the particles are that go into the filters. Some companies have gone to MERV 13 filters, which have a finer mesh, and some are putting UV lamps in their air handlers.

“We have chosen a different route, covering 100 percent of the ship with bipolar ionization.”

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