Canister vacuum cleaners are versatile cleaning devices that consist of a cylindrical body, or canister, connected to a long hose and various attachments. They are designed to easily maneuver around furniture and reach tight spaces, making them ideal for cleaning carpets, hard floors, and upholstery. The canister houses the motor and dust collection system, which can be either bagged or bagless. These vacuums often come with multiple tools, such as crevice tools and brush attachments, to tackle different cleaning tasks. Their lightweight design allows for easy transport, and many models feature adjustable suction power for various surfaces. Overall, canister vacuum cleaners are popular for their efficiency and ease of use.