ASTROPURE

Negative pressure units, namely, air purification units; portable air purification units; portable air purifying, air cleaning, and air filtering units for domestic and commercial use; portable negative pressure units for air purification; portable negative pressure units for creating isolation spaces in the nature of air purification units for use in sealed rooms, buildings, or other enclosed areas; negative pressure units for air purification; negative pressure units for creating isolation spaces in the nature of in the nature of air purification units for use in sealed rooms, buildings, or other enclosed areas