FRAM Extra Guard oil filters are engineered to deliver advanced engine protection. A special blend of fibers and resin creates a proprietary filter media that captures 95% of contaminates to keep engines operating at peak performance. Engineered for conventional and synthetic motor oil, Extra Guard offers proven engine protection for up to 10,000 miles. No matter what you drive, or what motor oil you use, FRAM has an oil filter for you.; Silicone anti-drain back valve helps ensure safe engine startup; Proven protection for up to 10,000 miles; Engineered for use with synthetic or conventional motor oils; Sure Grip(R) coating provides a non-slip finish for easier installation and removal