If you are trying to protect your threads, you shouldn't have to as the MVP3 has stainless steel threads. If you are dead set on not using the threads directly, you can also get yourself an airflow controller that would do the trick.Fourth day of exclusive use. Only charged to full on the first day. I'm definitely loving this. View attachment 414162View attachment 414163
Tank Airflow Controller
If you really want to use the ego adaptor, you can dig up the beauty ring from a Protank. It will fit perfectly.