Lennox 12K40 Filter Drier 3/8" ODF 16 Cu.In R410A

The Lennox 12K40 Filter Drier is used to remove moisture, acids, and contaminants from refrigerant lines in residential and commercial HVAC systems. Installed within liquid line assemblies, the component helps protect compressors, expansion valves, and other refrigerant circuit parts by maintaining cleaner refrigerant flow during cooling operation. Featuring a 3/8-inch ODF connection, 16 cubic inch capacity, and compatibility with R410A refrigerant, the filter drier integrates with designated refrigeration and air conditioning applications. Positioned in compatible refrigerant piping sections, the component assists with refrigerant system protection, improved flow cleanliness, and dependable cooling equipment performance.