Keep the mess contained with the RIDGID (size A) wet dry vacuum dust bag. With this 2-pack, you can always be prepared for large project cleanups so that easy disposal is right at your fingertips. The shop vac filter bag fits most 12 - 16 gallon RIDGID wet dry vacs and helps clean up small, dry debris such as drywall dust. The addition of the dust bag allows for a no-mess drum while cleaning. Simply remove the dust collection bag from the shop vacuum and toss for a quick cleanup - no drum lifting needed. These high-efficiency filter bags can help wet dry vacuum performance and provide a cleaner operation because it minimizes debris clogs in the filter to increase the shop vac filter life. When you pair dust bags with a RIDGID wet dry vac filter, you can help optimize your shop vacuum performance for an efficient project cleanup experience. Installation and removal is simple - align collar of dust bag with inlet, press collar against the shop vacuum drum and remove by popping the collar out from the inlet.