XFITTING 10 Pieces 1/2" Propex x 3/8" OD Compression Straight Adapter, Pex A Expansion F1960, Poly Alloy Plastic Coupling, Lead Free For Uponor (Wirsbo), Sioux Chief, Etc. - - Amazon.com
Amazon.com: 1/2 compression fitting
Ezfitt - Raccord à compression en laiton droit femelle pour tube PE aux dimensions des tubes en acier - Ø A: 34mm_Ø B: 1'' : Amazon.fr: Bricolage