Louver Grilles 1/.Material: Plastic ABS with removable louver core 2/.Neck Size:560x370mm,370x370 3/.Cost effective 4/.do not rust 5/.Multi-way deflection 6/.Easy to install and clean. 7/.There is ABS neck adaptor MC-555dia400,MC-555dia450 to attach for installing flexible ducts We, with 500 people, several distributions, have specialized in this field for over 30 years. Our broad range of business connections with many firms abroad, especially our largest distribution AC Companents in Australia leads first there. we believe that we can also offer you the best prices, prompt delivery, best quality and service. We have confidence in giving full satisfaction to all our customers. Any inquiry and comments from you will be treated with our best attention and prompt service. We hope that we will be able to cooperate with you on this project. If samples are needed, please be free to tell us.