Luberfiner air filters are constructed with specially blended filter media for optimal dirt-holding capacity, filtering efficiency, and maximum protection for your engine from harmful airborne contaminants. Luberfiner air filters capture harmful particles that can damage expensive engines. Cleaner air can help increase engine efficiency and lead to greater fleet uptime. Luberfiner air filter's advanced features ensure original equipment replacement fit and function. Available in a broad range of sizes for virtually all applications.