Description: 【Product Function】: This vacuum cleaner extension tube is designed to extend the length of your vacuum hose, making it easier to reach those hard-to-reach areas in your home. 【Usage Instructions】: The small end of the straight tube can be directly connected to the large end. For general household use, we recommend purchasing 2-3 sections for plug in use. 【Compatibility】: This Vacuum cleaner extension tube is fit for most vacuum cleaner brush interfaces on the market with an inner diameter of 35MM for European version vacuums or an outer diameter of 33-34mm for Japanese version vacuums. Please measure the size of your  straight tube ends to ensure compatibility. 【Material and Size】: Made from durability PVC (Polyvinyl ), this extension tube measures 450mm in length, with a small head outer diameter of 31mm and a large head inner diameter of 32mm. 【Package Includes】: Each package contains a vacuum cleaner extension tube. Specification: Material: PVC Size Chart: Length:45cm/17.72inch small head outer diameter:3.1cm/1.22inch large head inner diameter:3.2cm/1.26inch Package Includes: 1 Vacuum cleaner extension tube Note: Please allow slightly errors due to manual measurement and different monitors.