This mouthpiece is specifically designed to be compatible with the Vapir Oxygen Mini Vaporizer. This portable vaporizer paired with the top mouthpiece, come together for a portable, efficient and durable duo. Made out of premium, high grade materials the mouthpiece will outlast the competition, surviving daily usage. Simply attach the mouthpiece to your vaporizer and enjoy, simple as that. Providing great airflow at a affordable price, the Vapir Mini Oxygen Vaporizer Top Mouthpiece is a great addition to the collection.