ID 252434176 © Lendig | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
air appliance bacteria breathe building china city clean climate closeup concept construction contaminants disease dust environment environmental filter germs health hepa home house indoor lung measurement mold particles particulate pollutants pollution problem protection quality remove room service smog street technology unhealthy urban ventilation view viruses wall warming window