... material air diffuser -manual adjustable, patanted design air register S-803Description: air register,air vent,air louver,air outlet, ... air conditioning diffuser,air grilleModel: S-803 Product Name: double side diffuserDimensions: 528×309mm ... : 10/CartonABS material air diffuser (air grille, air grill)manual adjustable, patanted designElectronic fine working mold, products is ...