The Injen Hydroshield black water‑repellent pre-filter protects air filters from moisture and harmful particulates to help maintain airflow. Treated with a hydrophobic finish, the Hydroshield is UV resistant, puncture resistant and repels particles down to 0.005" while retaining elasticity for easy servicing. With dimensions 6" base x 6 7/8" tall x 5.5" top, it’s confirmed to fit Injen X-1021 and X-1026 filters and extends the time between cleanings.
Injen Black Water Repellant Pre-Filter fits X-1021 6in Base/6-7/8in Tall / 5-1/2in Top