[Most Compatible] - The included universal adapter can easily connect to 15mm & 22mm standard hoses of most popular brands. | [Simple to Use] - One-button start without any extra setting. Automatically shutting down. | [Effectively Eliminate Odor] - The included carbon filter will decrease the unpleasant smell. Help you enjoy the fresh air easily! | [Rechargeable and Portable] - The Type-C USB input offers the fast recharge speed and save more time. Running noiseless, lightweight, small size design and can travel with you easily! | [100% Satisfaction Guarantee] - 30 Days Money Back Guarantee, 12 Months Free Replacement Policy, 1-year Manufacturer Warranty and Friendly Customer Service.