is 5.37 KB, has a resolution of 512x512 pixels and was uploaded on March 3, 2019 @ 12:24 pm by user: tobiigt. It is filed under the tags: business, black and white, computer software, rectangle, pcm inc. Click the blue button at the top to freely download: Blackboard Vector Air Purifiers Bamboo Charcoal Activated Carbon Filtering png.