Building interior Air Duct, Air Condition pipe line system Air flow industrial design.

---

Size: 5472px × 3648px
Photo credit: © Quality Stock / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: adult, air, asthma, background, bacteria, brush, building, canteen, care, ceiling, chest, cleaning, cold, conditioner, conditioning, copd, cough, dirty, disease, duct, dust, fresh, handyman, health, heating, home, house, human, illness, infection, interior, lung, maintenance, male, man, medical, medicine, metal, office, pain, pneumonia, pneumoniae, respiratory, sick, streptococcus, technology, tuberculosis, vent, ventilation, wall