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) 1/4" NPT Check Valve #28557 $88.81 1071 Handle for 1/2" Ball Valve #01252 $12.06 873 Valve, 2 inch Ball with Handle #02368 $268.93 786 1/4" NPT Flow Control Valve #05528 $112.02 1034 3/4" NPT Water Strainer #15011 $105.97 1055