FRAM Extra Guard Air Filters are your first line of defense preventing damaging road dust and dirt particles from entering your engine. Designed for select Nissan vehicles the Extra Guard CA6850 Air Filter is engineered with an advanced filter media that lets through 2X less dirt than average leading standard retail brands AND protects your vehicle s engine up to 12 000 miles. Replacing a dirty air filter with a new FRAM Extra Guard Air Filter can help increase horsepower acceleration and overall engine performance. Get better protection with ease and install a new FRAM Extra Guard Air Filter today!