Its job is simple: let the cup breathe. As paint leaves the container, air must enter to prevent a vacuum forming, otherwise your spray pattern can sputter, starve, or become inconsistent. Replacing a cracked, blocked, or missing ventilator head helps restore smooth paint flow and…

Steady Flow Starts With Proper Cup Venting A gravity feed cup relies on controlled venting to maintain pressure balance. The SG AS1001P-28 ventilator head helps avoid “glugging”, surging, and spray interruptions by allowing air into the paint cup as the coating is drawn into the…