The K&N drop-in high-flow air filter for 1967–1971 Ford/Mercury models is a washable, reusable replacement filter built from layered, oiled cotton media to improve airflow while capturing contaminants. It’s designed to install into factory air boxes as a direct replacement, carries K&N’s long-term limited warranty and is promoted to provide lasting engine protection with the ability to be cleaned and reinstalled over the vehicle’s life.
K&N 67-71 Ford/Mercury Drop In Air Filter