1、Oxygen Free Carbonation on PET Bottles: The simple tee adapter enables you to simultaneously disconnect the liquid and gas ball locks to the carbonated cap and bottle, you don't need to switch the gas ball lock to the liquid disconnect, avoiding beer oxidation. 2、Prevent Leakage: With a sealing gasket, this will prevent beverage leakage from the connection between the bottle and the bottle cap tee adapter, enabling you to transfer beer from your keg closure to a soda bottle. 3、Safe ABS Material: Made of healthy ABS plastic, this tee fitting adapter is odorless, and won't give carbonated beverages weird tastes. 4、Withstand 65PSI Pressure: This tee fitting can withstands 65 psi carbonation pressure, counter pressure as you slightly unscrew to release pressure, dispense beer with a picnic tap and portable co2 source on the go. 5、Wide Application: The tee fitting is a perfect tool for barbecue, beach, lake or holiday parties and other outdoor activities, brings big convenience to your mobile kegging.