USA Air Purifiers Q&AAnswer
Mar 03, 2026 - 02:40 PM
Hello, it is fine to use the unit. However, it is important to change the filters and the lamps out so it is like a new unit. This is especially important if you don't know the contaminants that the unit has been filtering over the last 14 years.
Thank you,
Barb Lulay
USAirPurifiers.com
Source: Field Controls Trio Plus
