Photos of Usafi Comfort Recent Installations in Runda, Karen and Kinno September 21, 2017February 21, 2019 posted by Usafi Comfort Category: News 0 Comment To see firsthand how sewage can be converted to clean water at your property, call us to visit a property that has installed a Johkasou Sewage Treatment Plant. They come in all sizes ready to plug-and-play. View Gallery Book