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This heavy-duty brass refrigerant adapter is engineered for R32 and R454B refrigerant tank and split system connection. Adopting premium brass material, the fitting offers good corrosion resistance, thread tightness and structural stability, helping avoid connection looseness and leakage during refrigerant charging and maintenance. Built with reverse thread conversion function, it connects special left-hand thread ports with standard 1/4 inch SAE interfaces, solving common port mismatch problems in HVAC repair. The non-slip knurled outer handle provides comfortable grip and quick operation, suitable for frequent use in complex working environments. Universal 1/4 inch size fits most air conditioners, refrigeration equipment and split cooling systems. Durable and reusable, this adapter lowers replacement frequency and brings higher convenience for professional technicians and daily household refrigeration maintenance. 【Premium Brass Construction】Made of solid brass material with corrosion resistance and stable structure. Fine tight threads prevent leakage, resist deformation and daily wear, delivering steady connection performance for long-term HVAC maintenance. 【Reverse Thread Conversion Design】Specially built for R32 and R454B refrigerant systems, converts reverse left-hand thread to standard 1/4 inch SAE male and female interface. Effectively solves interface mismatch and streamlines daily repair work. 【Non-Slip Knurled Handle】Features deep knurled textured surface for enhanced grip, easy to operate even with gloves. Labor-saving design improves control and reduces hand fatigue during long time refrigeration equipment service. 【Wide HVAC Compatibility】1/4 inch SAE universal size fits most air conditioners, split systems and refrigerant tank equipment. Suitable for daily refrigeration repair, system detection and refrigerant conversion work to cut extra adapter costs. 【Stable & Practical Connector】Compact and sturdy structure for reliable tank connection. Easy to install and replace, a necessary professional fitting for HVAC technicians, repair workers and household refrigeration maintenance. ASIN B0GYRJ42WS Size 1/4 inch Color Brass Brand Name shuielai Unit Count 1.0 Count Item Weight 0.2 Pounds Thread Size 1/4 inch Thread Type SAE Manufacturer shuielai Model Number R32-r454b-sae-adapter Material Type Brass Connector Type Adapter Number of Pieces 1 Included Components Brass Refrigerant Adapter Manufacturer Part Number zyh260401-1