The RIDGID general debris pleated paper filter is designed for your RIDGID wet dry vacuum (3 - 4.5 gal.) to capture everyday dirt and debris such as sawdust, dirt and typical debris found in a basement, garage or vehicle. The replacement wet dry vac filter can be washed and, if dried properly, reused. Changing shop vac filters often is strongly recommended to increase the vac's performance and to help extend vacuum life as it protects the motor from harmful dust and debris. This product offers one general debris filter that fits all RIDGID wet dry shop vacs 3 gal. to 4.5 gal. and should only be used for dry pickup. With its patented Qwik Lock feature, the filter simply snaps on or off the shop vacuum for easy cleaning and to quickly switch filter options. RIDGID provides other filtration offerings, including the VF3500 Fine Dust Filter, the VF3600 HEPA Material Filter, the VF3700 Wet Application Filter, and the VF3800 HEPA Filter, depending on the job application and type of cleanup mess.