K&N Engine Air Filter: High Performance, Premium, Washable, Replacement Filter: 1981-2019 Nissan/Infiniti/Renault (Maxima, Murano, Pathfinder, Altima, Elgrand, Quest, X-Trail, QX60, FX35), 33-2031-2

REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for miles of highway driving),CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every miles under normal highway driving conditions (5 years based on the average miles driven per year of miles),RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime,REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills,ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance,EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains,4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants,ULTIMATE LONGEVITY: No-hassle lifetime limited on stock replacement K&N air filters- limitations apply,MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability