is 583.68 KB, has a resolution of 693x768 pixels and was uploaded on March 7, 2019 @ 8:02 pm by user: adelhler. It is filed under the tags: membrane, valve, polytetrafluoroethylene, liquid, pollution. Click the blue button at the top to freely download: Pollution-free Food Diaphragm Pump Valve Membrane Lubrication png.