Cat® Prescreener blocks large debris and contaminants from entering the air cleaner, minimizing the risk of contaminants entering the air filter or the engine. Cat® Prescreener is used to enclose the Air Filter. They are ergonomically designed to fit precise to the desired location. Cat® Filter is designed and tested to deliver the quality you expect from your equipment. Cat® Parts are manufactured to precise specifications and are built for durability, reliability, productivity, less environmental impact and reuse.Application:Cat® Prescreener is used to enclose filter in Cat® Machine. Consult your owner's manual or contact your local Cat® Dealer for more information.