1This adapter head is engineered to fit a wide range of vacuum cleaners, regardless of brand or model. It bridges the gap between different attachments and your vacuum, allowing you to use specialized tools like crevice nozzles or upholstery brushes with ease, maximizing the versatility of your cleaning device. 2Constructed from high - strength, impact - resistant plastic, the adapter head can withstand the wear and tear of regular use. It won't crack or break under pressure, ensuring long - term reliability and reducing the need for frequent replacements. 3Designed with a tight - fitting mechanism, it forms a secure seal between the vacuum hose and the attachment. This prevents air leaks, maintaining optimal suction power during cleaning and ensuring that every nook and cranny is thoroughly cleaned. 4Please first connect the adapter and then connect the vacuum attachments if your vacuum cleaner's model is Dyson v7 or v8. 5The user - friendly design enables quick and hassle - free installation and removal. You can swap between different attachments in seconds, saving time and effort during your cleaning routine.