For that increased efficiency during wet weather conditions, Injen Technology’s Hydro-Shield Pre-Filters
are race proven and manufactured from a highly durable polyester material . Uniform micron openings allow the filtering of debris .005” or larger. These pre-filters are factory-treated using an embedded hydrophobic process, which offers consistent airflow, water repellency and maintains horsepower gains. (Please note that this item is water repellent, not water proof) Injen's Hydro-Shield Pre-Filters
fit snug and secure over any Injen air filter. Available in black, blue, and red.