BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE.Our vacuum cartridge filter is made from synthetic materials which integrate high-grade paper and non-woven fabric materials, sturdy, durable and not easy to damage. And adopting pleated paper technology, it creates a larger filtering area for a more efficient everyday dirt and dust removal like sawdust, wood chips, job site debris and car or truck dirt. Additionally, it is washable and reusable and mainly compatible with craftsman 9-17816, 9-17784, 9-17761, 9-17066, 9-17741, 9-17742, 9-17765, 9-17762 most 5 gallons or larger vacuums made after 1988.