Featuring M30x1.5 threads and inner diameter of 22mm, this adapter is suitable for RA, For RAV, and RAVL valves, make sure a proper fit for your heating needs threads provide a secure fit, leaks and optimizing the efficiency of your heating systems for stable The vertical strips on the exterior enhances grip and add aesthetic touch, making it to handle while integrating seamlessly into your decor Includes a wrench for quick installation, requiring none additional tools, making it for any user to set up Make from Stainless steel, this radiator valves adapter is designed to withstand wear and tear, Manufacturer: YROHGKPN