Any one with a HPA Fill Station needs this   It will work on HPA Fill Stations, Scuba Fills, Boosters & Fill Panels.  It connects directly to your paintball tanks fill nipple.

This is Stainless Steel construction 1/8" NPT FEMALE on one end/Female QD on the other rated at 4,200psi. 1/4" NPT FEMALE rated 6,600psi

Picture is for illustration only.