Description Manuals Videos Articles Popular Accessories Clemco Part #05528 1-1/4 Inch National Pipe Thread Flow Control Valve for WetBlast Flex Base Unit Injector System and Nozzle Adaptor-Injector. WetBlast Flex Base Unit Injector Item #21 WetBlast Flex Nozzle Adaptor-Injector Assembly Item #21 Dustless (Wet) Sandblasting Benefits Slurry Blast, Venturi Blast, and Vapor Blasting Is Dustless Blasting Really Dustless? Related Parts (5) Parts Included (5) 1/4" NPT Check Valve #28557 $101.34 1071 3/4-NPT Ball Valve w/Handle #28551 $72.83 1067 1-1/4" NPT x 4" Nipple #01720 $12.14 1014 Control Valve #24809 $163.62 1124 Swivel connector, 1/4 npt #23829 $22.91 569