The DrainJet-Pro drain flusher from Petersen Products may be used with high-pressure jetters or use the Standard DrainJet with standard water pressure. It is flexible for navigating bends and you can attach a cap to make it a pipe plug. Its ability to plug the pipe as well as flush prevents backflow of water and debris. The flusher is constructed of heavy-duty specially treated industrial fabric. Standard sizes are 1.3 to 6 inches. 800-926-1926; www.petersenproducts.com.