Features: Crafted from premium 304 stainless steel, this radiator adapter offer superior eroison resistance and rust proof durability compared to brass alternative, featuring M30x1.5 threads and 22mm inner diameter for seamless compatibility with Ra/Rav/Ravl adapter . Engineered with accuracy machined striated surfaces for slip resistant grip, the adapter maintains stable performances in humid environments while blending aesthetically with existing radiator adapter through its coordinated finish. Ideal for homeowners, HVAC technicians, and property managers seeking long lasting radiator accessories that withstand frequent temperature fluctuations and moisture exposure. Perfectly integrates into residential or commercial heating systems, basements, bathrooms, and other moisture prone areas where strong connection are critical for consistent thermal regulation. This stainless steel heating thermostat adapter combines industrial grade functionality with refined visual , ensuring your radiator systems operates efficiently while enhancing its overall mechanical aesthetics. Specifications: Component : stainless steel Size: about 19x28.8mm/7.48x11.34inch Package Includes: 1xHeating Thermostat Adapter 1xWrench note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.