The replacement glass mouthpiece provides an exact fit for your APX Wax, Barb Coil and Volt vaporizers. Features a built-in splatter guard to keep hot concentrates in the coil chamber. Easy to replace with a simple friction fit over the coil and o-rings on your vape. Make sure you also grab a set of APX Wax O-rings or APX Volt O-rings if you need them.