A canister vacuum is a bagless vacuum that typically includes a canister that has a long wand and versatile A canister vacuum is a bagless vacuum cleaner that normally includes a canister that has a long wand and flexible tube connected to the canister which holds the motor and the vacuum bag. Some vacuum designs might be bagless. A canister vacuum is a way lighter and more convenient option to the usual upright vacuum cleaners. They give its owner versatility since it could be utilized on numerous surface areas such as carpet, tough wood floors and tiles. hose pipe connected to the canister which holds the motor and the vacuum bag. Some vacuum cleaner designs could be bagless. A canister vacuum is a way lighter and more helpful alternative to the normal upright vacuum. They offer its owner flexibility due to the fact that it might be utilized on various surface areas such as carpet, tough wood floors and tiles.