Extremely thin and durable to allow maximum airflow. Pull the string to remove filter skin, exposing a clean air filter surface. It's like cleaning your filter in seconds. Perfect for long, dusty races. Sold three per package. Made in the U.S.A.

• Extremely thin and durable to allow maximum airflow
• Pull the string to remove filterskin, exposing a clean air filter surface
• It's like cleaning your filter in seconds
• Perfect for long, dusty races
• Made in the USA