The Shop-Vac Super Performance Cloth Filter must be used in combination with a 90585 Foam Sleeve. Made from durable dacron material this cloth filter can be washed and reused to help save you both time and money. Tough enough for both commercial and residential applications. This cloth filter is perfect for picking up of larger dirt debris and dry materials. Reusable and easy to clean simply just hand wash and let dry and reuse. Get the most out of your Shop-Vac with this reusable cloth filter.