We got Oreck's XL Pro Air Purifier in a while back, and it's been put through its paces in a big, open plan area, for which it's marketed. Pictured above is a close look at the collector grid ...

Oreck Air Purifiers creates air cleaning devices. Specializing in residential air purifiers, the company incorporates HEPA filters and ... I've been using Oreck XL professional air purifiers ...