The CAT 135-5788 Advanced High Efficiency Engine Air Filter is a top-quality replacement part designed specifically for Caterpillar equipment. With a width of 10 inches, this air filter is designed to provide optimal filtration efficiency and ensure the performance of your heavy machinery. Made by Caterpillar themselves, you can trust in the reliability and compatibility of this filter for your equipment. Upgrade your maintenance routine with this advanced air filter to keep your engine running smoothly.