Description Manuals Videos Articles Popular Accessories Clemco #28551 Replacement 3/4 Inch National Pipe Thread Ball Valve with Handle for WetBlast Flex Pump Module. WetBlast Flex Pump Module Item #11 Dustless (Wet) Sandblasting Benefits Slurry Blast, Venturi Blast, and Vapor Blasting Is Dustless Blasting Really Dustless? Related Parts (5) Parts Included (5) Valve, 2 inch Ball with Handle #02368 $246.52 786 Handle for 1/2" Ball Valve #01252 $11.48 873 1/4" NPT Flow Control Valve #05528 $102.94 1034 3/4" NPT Air Muffler #05529 $44.40 1035 1/4" NPT Check Valve #28557 $83.76 1071