Note: This product needs to be used with a vacuum cleaner, not fit for dyson vacuum cleaners; please check the packing list, the vacuum cleaner is not included. [New Upgrade] Essential for Dryer Vent-These dryer duct cleaning tools connect to a vacuum handle or hose to use suction to remove lints. They can be vacuum attachments flat hose or flexible round hoses, These hoses are specially designed to the narrow vents of dryer.. Perfect for your washing machine, dryer, freeze dryer machine,and more can run more efficiently. Flexible and handy hose is perfect for removing lint build-up beyond you can't reach [Improve Dryer Performance] The dryer that not be cleaned for many years accumulates a lot of dirt. The vents will become narrow or blocked. Our dryer lint vacuum attachment-No suction power is lost after attaching to the vacuum. Its slender, flexible design allows it to slide smoothly into the lint trap without scratching or damaging the inside of the dryer. It powerfully out all sorts of sand, dirt, and lint that had accumulated over the years and make your dryer runs more efficiently