The Sporlan Controls 401021 3/8-Inch Sweat Sealed Filter Drier is a high-efficiency component designed to protect HVAC and refrigeration systems from contaminants and moisture. It operates by filtering solid particles and absorbing moisture from the refrigerant, ensuring clean and stable system operation. Commonly used in air conditioners, heat pumps, and refrigeration units, this fil... https://www.partshnc.com/401021-sporlan-controls-38-sweat-sealed-filter-drier