SPARMAX SILVER BULLET PLUS MOISTURE TRAP 
SPARMAX 噴筆 筆尾水隔/噴筆過濾器/噴筆油水隔/噴筆水隔 
This new version Silver Bullet combines the moisture filtering effect with a built in bleed valve, creating a multi-functional add-on offering greater control at your fingertips in an ergonomic and compact design.  To be placed between the airbrush and hose for best filter effect.