Trane 2 – 3 Ton 30000 BTU A4MX Four Way Cased Coil A4MXB1832AC6HA is equipped with the all-aluminum Comfort™ coil that is tested and tried for reduced leaks. Its high-quality construction complements your existing home heating and cooling system components and makes them more efficient. More Info: https://greenleafair.com/product/trane-2-3-ton-30000-btu-a4mx-four-way-cased-coil-a4mxb1832ac6ha/