the oreck proshield plus has been great for me.e truman cell and helios shield do a great job with air passing through the proshield plus. and no wonder because oreck is known for quality and reliability, and is internationally recognized for its innovative and award winning proshield plus design. and stay tuned because in just a few minutes we are going to show how you can get twice the truman cell and get twice the cleaning power with a free upgrade to oreck's latest advancement in air purification technology. when i first found out that this was an oreck that really got me excited, cause i know that the name oreck means quality. oreck is definitely something i think about when i think about quality, getting something that's gonna last a while. oreck in a brand, is like top-notch. they're a company that we can trust. we have thoreck vacuum and then now of course we have the oreck proshield plus. the oreck name to us is, it's a brand that we can trust and we rely on them, we feel safe with oreck. while many air purifiers only addr