The KOHLER 12 883 10 S1 Engine Air Filter with Pre-Cleaner Kit is designed specifically for Kohler Engines models PRO CV11 to CV16. This air filter kit includes one filter with a pre-cleaner, ensuring optimal performance and protection for your lawn mower engine. This product is a genuine Kohler Engines part, guaranteeing quality and compatibility with your specific engine model. With this air filter kit, you can easily maintain your lawn mower's engine to keep it running smoothly and efficiently.