Includes (1) 50557 Dust bag.. Bag 50557 fits select Kenmore canister vacuums, and holds the dust and dirt the vacuum collects.. Bag 50557 fits select Kenmore canister vacuums, and holds the dust and dirt the vacuum collects.. HEPA filtration traps 99.7% of particles of mold, pet dander, dust mites and more. Easy to replace