HELPS PREVENT PREMATURE WEAR on your car's HVAC (air conditioning and heating) system blower by promoting good airflow inside the car; Replace per manufacturer recommendations or when existing cabin air filter inhibits airflow
Compatible with synthetic and conventional oils
Perfect balance of dirt-trapping efficiency and dirt-holding capacity
Prevents dry starts by eliminating internal leakage during shutdown through the use of an anti-drain back valve (where required by OEM)
