Air conditioning filters. Comparison of two filters from an air conditioner. The white filter has never been used,and the dark one is after use in a working air conditioner. Air conditioners pass air through filters to clean it before cooling. This filters out pollutants and dust. Air conditioning filters need to be regularly replaced | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Bartel, Alex |
Taille de l’image : | 5047 px × 4013 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |