Polished Brass Plumbing Fitting Reducing Coupling: Red Brass, 1 In X 1/2 In Fitting Pipe Size, Female NPT X Female NPT, Class 125 Brass Reducer 1 x Reducer with the following connectors: Reducing Coupling, Brass, Class Class 125, 1 1/2 in, Female, BSPT, 11, 1 1/4 in, Female, BSPT, 11, 200 psi Maximum Operating Pressure External Thread 1 1/2 inch X 1 1 (6/4) Inner Thread/4 (5/4) Inch Brass No.29 Reducing Socket 1/2 Female X 1/4 Female Tecuro br reducer – with hexagonal key surface design: 1 1/2 inch x 1 1/4 inch (external thread G x internal thread Rp) material: blank br, CW617N, according to drinking water regulation 50930-6, hot-pressed external thread, cylindrical (G) according to standard DIN ISO 228-1 internal thread, cylindrical (Rp) according to standard ISO 7/1 DIN EN 10226-1 or DIN ISO 228-1., With hexagonal key surface, thread must be sealed accordingly using thread sealing thread, Teflon tape or hemp 1/4ips. Female X 1/2ips. Male Thread Reducer with Shoulder - Unfinished Material after drinking water regulation 50930-3