The CRAFTSMAN General Purpose & Wet Application Filter Combo Pack includes 1 Red Stripe General Purpose Filter for tackling dry messes and 1 Wet Application Filter for handling liquid spills - giving you a choice for dry or wet pickup. When working on general dirt or sawdust cleanup, install the General Purpose dry filter to your shop vac to help trap and contain debris. High volume liquid and debris? Easily change to the wet application filter so you can cleanup wet messes like a pro. Removing and installing wet/dry vacuum filters is quick, easy and secure so you can switch between filters depending on your project need. For added convenience, the filter material can be washed with water and reused once fully dried. Compatible with all current CRAFTSMAN shop vacs 5 gallon and larger. Changing filters often helps ensure maximum performance and extends the life of your wet/dry vac. *General Purpose Filter should not be used for wet pickup.