Screw-in Adapter for CACHE TT Aerators M16.5x1/F22 The screw-in adapter for CACHE TT aerators M16.5x1/F22 by Water Powered Srl is a practical and reliable solution for connecting hidden integrated aerators (CACHE TT) with M16.5x1 male thread to taps with a standard F22 female outlet. This component allows the use of universal accessories on taps equipped with compact, modern aerators that are often not compatible with the most common standards. Main features