... design for bus climate clearing 2. Mildew proof, deodorization Anion Generator for Bus Air Conditioning Power plugStandard motor plug connector ... than 5000VACQuality certificationISO9001,UL,CEFeatures•The anion that created by the anion generator increased the anion contants in the air, which is ... trouble free.•Case solid, clamp fixed, easy assemble.Dimension Anion Generator for Bus Air Conditioning