NPN Air Filter The NPN Air Filters are constructed to OEM specifications using OEM or OEM certified filter media. Each filter is designed to exacting standards including fitment, air flow, tolerances, and filter media specifications. Easy installation with a factory quality fit OE-quality engineering and materials. High airflow rate improves performance and fuel economy. Superior dust-holding capacity will increase filter life. Prevents particulate matter from entering the engine. Warranty Information: 12 month - 12,000 mile limited warranty against defects in material and workmanship. Type: Disposable Quantity Sold: Sold Individually Anticipated Ship Out Time: Same day - 1 business day Part Number: W0133-1636936