thefeatures of security aerator: 1) Security aerator material:Great Taiwan importedbrass. 2) plating:chrome plated 3) Function: 70-90%water saving can be adjust. Two sides threaded. 4) Security aerator Specifactions: There arefourkinds ofwater-savingaerator 0.5GPM,1L/Min 1GPM,3.8L/Min 1.5GPM,5.7L/Min 2.2GPM,8.3L/Min 5) One stop service 6) Five-year guarantee. 7)It is designed for the security use in public huuse like hotel. 8) OEM producing: From dealing with raw material to shaping, to polishing, to electroplating and to packing, all these processes are finished by ourselves. Welcome to our factory to see the producing process by yourself. 9) We have professional strit quality control department whoes aim is to make sure none of the products from our factory has quality problem.All of our productshave ISO9002 certificate. Based on this, our factory has been stand for 39 years until now. 10)The processing of ouraeratoris : Feed-Casting-examination-machinery-processing-examination-appearance-polishing-examination-electroplating-examination-assembling-examination-packing-delivery 11) The other side of the security aerator: