Sebo Airbelt D4 PremiumThe two AIRBELT D models are powerful, ultra quiet, full size canister vacuum cleaners with three on board attachments, a giant 1. 5 gallon bag, an unmatched 40 foot cord and 52 foot cleaning radius, protective rubber coated wheels, a durable telescopic tube with quick release connections, and a full bag or clog indicator. A unique tapered suction hose, with a 320 rotating canister connection, increases their airflow velocity, minimizes clogs, and