Lifegoesstrong.com: About Air Purifiers
In this review of ZON, the writer says of its effectiveness, "it's like night and day for my allergy-prone daughter."
Palm supports (unfortunately referred to by many as “wrist rests”) should be exclusively used to rest palms between periods of typing. If you rest your wrists on these supports, particularly while typing, you increase your risk for injury.
Ergo Gear Guide