One New Aftermarket Replacement Enginaire Composite Pre-Cleaner (with 1.5″ Inlet) that features everything listed below:– 1.5 Inch Inlet Size– 3 to 20 CFM Range– Saves up to 12 times the Filter Life– Self-Cleaning (meaning no dust bowl to clean out)– Saves up to 25% on Lower Engine Maintenance– Pre-Cleaner is Molded Fiber-Filled– Saves up to 15% on Oil Costs– Removes up to 99.9% of Larger Airborne Particles– Saves up to 10% on Fuel Costs– Removes 94% of SAE coarse dirt– Saves up to 50% on Less Engine Downtime– Increases Engine Life by up to 25%