2" Inlet Intake Turbo III Pre-Cleaner (1-320-000) w/ 15-75 CFM & Height 5.13"One New Aftermarket Replacement Turbo III Pre Cleaner 2" Inlet (Model 1 320 000) The Turbo III Pre Cleaner (Model 15) mounts on the air intake stack to remove dust, dirt, rain, and other micro abrasive contaminants from incoming air before they can reach the engine air filter and engine internals. Using a patented stacked vane centrifugal separation design, dirty air is drawn in through a protective top screen, spun to separate contaminants by