The Goodman 2. 5 ton upflow and Downflow coil is 17. 5 inches wide and is suitable for split air conditioners and heat pumps of two different tonnages. For larger tonnages, it comes with a flowrater. For lesser tonnages, the flowrater of that tonnage will be used. The Goodman CAPF3030B6 is suitable for refrigerants R410a and R22. They come with rust proof drain pans that ensure less water retention and increase the life of the system. The cabinet of Goodman 2. 5 ton 17. 5 inches coil comes equipped in a robust cabinet, painted in architectural gray that protects it from UV rays adding to the durability of it.