K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: 2015-2019 Ford Transit (150, 250, 350), 33-5024 ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle. ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%. EASY INSTALLATION: Pre-treated and ready to drop into your factory air box. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains. SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters. ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters. WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants. LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions. HIGH QUALITY: RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.