Thank you for contacting RIDGID.
Your model is not capable of accepting filter bags. Please note the following RIDGID® filter bags compatible for wet / dry vac model #’s:
Filter Bag VF3501 - WD4050, WD4070, WD4550, WD4522, SG4000
Filter Bag VF3502 - WD1450, WD1850, WD1851, WD1950, WD1956, WD1680, WD1270
Filter Bag VF3503 – WD0670, WD0970
Moreover, you can purchase the filter bags at your local Home Depot store, or you can order it over the phone from our Customer Service Organization 1-800-4-RIDGID (1-800-474-3443) or online at www.ridgidparts.com.
If you have any further questions or concerns, feel free to call us at 1-800-4-RIDGID (1-800-474-3443) or you may send your email to [email protected]