The Goodman ARUF49C14 Air Conditioner Air Handler features a check flowrater expansion device. The Goodman ARUF49C14 Air Conditioner Air Handler is housed in a rust-resistant, fully insulated steel cabinet with painted front panels. The Goodman Air Conditioning and Heating company have become one of the largest manufacturers of residential and light commercial air conditioning, heating, and indoor air quality products and systems by focusing on just one thing, building the most reliable and refreshingly affordable indoor comfort products in the market.