Scanning electron micrograph of particles in an air filter. A particulate air filter is a device composed of fibrous materials which removes solid particulates such as dust, pollen, mould, and bacteria from the air. A chemical air filter consists of an absorbent or catalyst for the removal of airborne molecular contaminants such as volatile organic compounds or ozone. Magnification is 200x at 12.7cm image size. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source / Nano Creative |
Taille de l’image : | 5906 px × 4430 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |