Suited for packaging industry, RTM Series™ replaces failed or clogged multi-stage pumps to maximize productivity and minimize downtime. Single stage cartridges thread directly into existing multi-stage pumps and vacuum grippers, allowing dirt, dust, and debris to pass through. With no obstacles to impede flow or trap dirt, pumps never lose suction, require filters or maintenance. Cartridges are available in 11 performance levels, up to 3.2 scfm vacuum flow and 28 in. Hg vacuum level.