The Austin Air HealthMate HM 400 is a plug-in air purifier designed to improve indoor air quality. It comes in black and features a HEPA filter. The brand is Austin Air and the model is HM 400.

Run time on units ~ 10 hours and have been in storage since. Please help me clear out my storage unit! Some superficial marks may/may not be present on exterior of unit and filter cage which can occur during shipping, handling, and storage of items when items are out of the original packaging.