Model RD - Precleaner and Air Pump no filter 3" inlet 12/24v DCOEM Numbers: 68695R Enginaire Model RD Precleaner and Air Pump is a high performance device designed to enhance the efficiency and lifespan of air filtration systems in vehicles, machinery, and equipment operating in dusty or challenging environments. Below is a detailed description of this product: Key Features: Design & Functionality: Precleaner System: Removes larger debris, such as dust, dirt, and chaff, from incoming air before it reaches the