Air diffuser JHCOOL offer the best service for you Description: Air diffuser,air register,air vent,air louver,air outlet, air conditioning diffuser,air grilleModel: S-804 Product Name: double bottom diffuserDimensions: 486×260 mm Opening Size: 452×198mm Color: ivory Packaging Description: 10/Carton Electronic fine working mold, products is precise and stable quality.With blast baffle, with good ...