Add your favorite 8mm stem to the end of your Angus for ultimate cooling and customizability!  Works with most 8mm diameter stems.  Remove the Angus mouthpiece, insert this and then you have a fitting for any 8mm stem!  Made from food grade 304 stainless steel.  Replacement o-rings here.  

Angus unit and revolve stem for demonstration only.  Not included in sale!