The RPN4009 self-rotating water jet nozzle from NLB Corp. cleans pipes and tubes at pressures up to 40,000 psi. Designed for a minimum pipe diameter of 3/4 inches, it is the first nozzle in the Typhoon 10 series to operate at ultra-high pressure. It is precision machined and coated with titanium nitride for long life. It can be ordered with cutting/cleaning or polishing heads. At 4 3/4 inches long, it works at a maximum flow of 9 gpm and rotates at 7,000 rpm. 248/624-5555; www.nlbcorp.com.