Purolator L35310 Classic Oil Filter Engineered to trap 97.5% of engine oil contaminants Featuring a multi-fiber, high-density interwoven media that grabs wear-inducing particles Anti-drain back valve minimizes engine dry start Internally lubricated nitrile gasket requires less torque for filter removal It's recommended to change your oil fluid and oil filter every 3 months or 3,000 miles