Henry Technologies S-7721 2-1/8" Vertical Suction Accumulator is a refrigeration component designed to protect compressors from liquid refrigerant entering the suction line. It works by temporarily collecting liquid refrigerant and allowing it to return gradually to the compressor as vapor, helping prevent liquid slugging and compressor damage. Designed for use with compatible commerc... https://www.partshnc.com/s-7721-henry-technologies-2-18-vert-suction-accumulatr