is 7.58 KB, has a resolution of 512x512 pixels and was uploaded on February 3, 2019 @ 6:10 pm by user: erneraf. It is filed under the tags: black and white, wastewater, manhole cover, logo, sewage treatment. Click the blue button at the top to freely download: Sewage Separative Sewer Drain Manhole Cover Sewerage png.