RTM series of maintenance-free venturi cartridges replace multi-stage pumps allowing dirt, dust, and debris to pass through the pump without clogging. The series is available as complete-pump assembly or only the threaded cartridge. Manufactured in 11 different performance levels up to 3.2 scfm vacuum flow and 28-in. Hg vacuum level. Options include top- or face-mounted extrusion mounting kits, vacuum gauges, switches, and sensors.
