Profile: Purosil-mission Rubber Co. develops urethane and plastic products. We focus on connecting, adapting, reducing, repairing or capping. We offer no-hub couplings, heavy weight coupling and chemical couplings. Our T-Flex® sewer saddles are used to make lateral service connections. Our T-Cone® mechanical stoppers are used for testing gravity flow, non-pressure DWV and sewer systems.