... –dustBrief introduction of the ECU Protective Snap-In VentsECU (electronic controller unit)Protective Snap-In Vents are placed in ... non-shedding ,UV-resistant ,temperature-resistant .Protective snap –in vents, including its protective shield, injection molding bolt ,bolt with plastic ... tooling design and cost. protective snap –in vents has been widely used in protective automotive electronics unit or ...