Vacuum System PB14MK Plastic Can Liner BagsThis VacuMaid central vacuum system plastic can liner bag is a replacement for 14" dirt canisters central vacuum systems with air channel. It works in the DC1240, SR54, and SR64. 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. Package contains 4 bags.