Description Manuals Videos Articles Popular Accessories Clemco Part #05529 3/4 Inch National Pipe Thread (NPT) Air Muffler for WetBlast Flex Pump Module WetBlast Flex Pump Module Item #4 Dustless (Wet) Sandblasting Benefits Slurry Blast, Venturi Blast, and Vapor Blasting Is Dustless Blasting Really Dustless? Related Parts (5) Parts Included (5) 1-1/4" NPT x 4" Nipple #01720 $10.91 1014 1/4" NPT CBM Gauge #11830 $41.06 1052 3/4" NPT Water Strainer #15011 $100.92 1055 3/4-NPT Ball Valve w/Handle #28551 $60.55 1067 1/4" NPT Check Valve #28557 $83.76 1071