Crafted from premium 304 stainless steel, this radiator adapter 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 Perfectly integrates into residential or commercial heating systems, basements, bathrooms, and other 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 Engineered with accuracy machined striated surfaces for slip resistant grip, the adapter maintains stable 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 exposure, Manufacturer: Oxxggkao