great Seath I also mean using 90psi to drive with AS SCAVANGE because most boosters require 300psi to drive with. which on a self containd system is killing the source air volume in your scuba or scba . I am not a busness shootsky just a air gun nobody trying to help our sport to grow n help the non wealthy people out who can't swing 4 k for compressed air makes my butt cheeks cringe lol wallet clamping shut it's tight im not. call me 7am to 9pm central please .If I don't answer I'm throwin lead or feedin my son .Im allways on standby .