Smooth inner wall to prevent clogging: The inner wall is smooth and burr-free, reducing dust adhesion and blockages, ensuring smooth airflow and long-lasting, stable suction without attenuation. Pressure and step resistant, no deformation: Thickened tube wall with ribbed design, pressure and step resistant, quickly rebounds after compression, preventing bending or collapse that could affect usage. Universal adapter interface: Standard diameter interface, compatible with most mainstream vacuum cleaner models, installation requires no additional tools, plug and play. Lightweight and easy to hold: Made of lightweight materials, the tube is light, making it easy to hold for long cleaning sessions without tiring the hand, suitable for both elderly and children to operate easily. Mattress Tool Flexible Extension Hose Kit，Compatible For Dyson，V12V11V10V8V7 Cordless Vacuum Cleaner Soft Brush Replacement, Manufacturer: HIZON