Chromex¨ Rod, for 190ES, 210ES, 390, FinishPro 390 / 395, FinishPro II 395 / 595, 490, Ultra 395 / 495 / 595, Ultra Max 695, GMAX¨ 3400 Standard Series, GMAX 3400 Standard / Premium, LineLazer¨ 3400

The piston rod connects the internal parts to the motor and gear box. On the rods upstroke, it draws paint into the chamber, and on

The piston rod connects the internal parts to the motor and gear box. On the rods upstroke, it draws paint into the chamber, and on the down stroke it pushes the paint into the hose. 

the down stroke it pushes the paint into the hose.