Master MFG SSBK-10FB Boom Kit (3 Nozzle) 10 ft. Spray Pattern is a poly boom kit.
According to the manual, the nozzle of the Master MFG SSBK-10FB Boom Kit (3 Nozzle) can be raised or lowered. You can find this information on the manual, on page 3 on at the top of the page.