***Note: This product needs to be used with a vacuum cleaner, 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,[Helps Prevent Fires] The dust lint is the main cause of fire in the dryer. Dryer fires are the result of lint building up in places other than just your lint trap. While your lint trap is designed to catch most, it is not a 100% guarantee. Oftentimes, the lint gets lodged in other areas, such as the interior dryer duct, the dryer vent. So we need this helping clean dryer lints avoid fires and protect the performance of dryer. It is valuable for you to choose this dryer vent cleaning hose,[Flexible and Bendable Hose] This dryer vent cleaner kit can adapt to narrow dryer vent filters, Can also get into curved corners we also have a guide iron to help control the direction. Perfect for cleaning appliances that you can't touch in or move,[2 Types of Hoses can be Switched for Use] In order to adapt to different dryer vents, we provide two types of hoses. One adapter can be switched to connect two types of hose. When switching use, you only need to remove the adapter and the hose connection to connect to the corresponding long hose. So you don't have to agonize over which hose is right for your dryer, you can receive both for about the similar price!