Root Cyclone technologyPatented Dyson technology. Wraps to store awayHose and wand compress and wrap for easy storage. Effortless steeringMotorized cleaner head is easy to maneuver and clean in tight spaces. Clean exhaust airAir expelled has up to 150 times less bacteria and mold than the air you breathe. No extra costsLifetime filter and no bags to buy. 5 year warrantyParts and labor guaranteed by Dyson for 5 years. Lifetime HEPA filtrationApproved for allergy sufferers by the British Allergy Foundation. Durable tough constructionMade from ABS and polycarbonate, materials used to manufacture crash helmets. Clear binMade of tough polycarbonate, the Clear bin lets you see when it's ready to empty. Foot operated brush controlOperate brush control without bending down. On-board tool storageTools store securely on the machine so they're always on hand.*Dyson proves no loss of suction using the IEC 60312 Cl 2.9 test standard.