This adapter is only suitable for vacuum storage bags with an air outlet diameter of 28mm or less. Suitable for Dyson V15,V11,V10,V8,V7 vacuum cleaner models and let your vacuum cleaner multi-function. With the help of this adapter, it only takes 15 seconds to instantly empty the vacuum storage bag (use Dyson max mode), saving up to 75 percent space. The vacuum cleaner can suck the vacuum storage bag, which helps you save the cost of the electric pump, has stronger suction, and is easy to operate. It has a simple quick release system for quick attachment of accessories. Size: 12.5 x 6 x 3.8cm Material: ABS color: as shown Package Content: 1 x Quick Suction Nozzle Adapter for Vacuum Cleaner Only the above package, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The allowable measurement error is 1-3 cm.