Best largebr vacuum cleaner canisterbr br While the Bissell vacuum can hold 2 liters, this Eureka model can hold 2.5 liters and reviewersbr say that additional space is useful for those who do not wish to change their bag so much.br One customer has professional cleaning ofbr homes and keeps that vacuum at home.br After cleaning up her house almost every day she has to constantly change her bag: "I have three short-haired dogs in the one-bedroom house andbr replace my bag two times a Month, and I use the vacuum two times a week to see how long a bag is going to last.