The Carrier KH43LG073 Liquid Line Filter Drier is an OEM HVAC component with 3/8-inch sweat connections, designed for installation in the liquid line of compatible air conditioners, heat pumps, packaged units, and central air-conditioning systems. It uses a desiccant to absorb moisture while filtering dirt and solid contaminants from the refrigerant, helping protect compressors, meter... https://www.partshnc.com/kh43lg073-carrier-38-inch-swt-liquidlinefilterdrier