Vacuum System Plastic Can Liner Bags For 14" Dirt Can PB14MThis VacuMaid 4m bag is a replacement for 14" dirt canister central vacuum systems with air channel. It works in the DC1240, SR54, and SR64 central vacuum systems. This bag makes emptying the dirt in the vacuum system canister a breeze. Just unclip it, remove the bag, and throw it away. No more dumping the canister into a trash bin. Also comes in a 4 pack.