This 18mm Female Glass Injector Bowl is a luxurious replacement for the default solution. The unfrosted 18mm female input joint allows the injector-style vaporizer to slide in and out smoothly, and is deep enough to accept any of the popular devices on the market. The bowl terminates in either a 14mm male or 18mm male to give you more options. The metal screen is rigid and stays in place even while stirring.  The fluted bowl allows for the screen to slot in place, leading to a near permanent solution when treated kindly.  Replacement screens are also available should you want install a new one at any point. The 18mm Female Glass Injector Bowl also includes a sturdy glass arm on the side that allows for easy movement and handling of the bowl, even while hot.