DryAIR aftercoolers are currently available in two different sizes as well as Tongue-Mount and Freestanding / Portable versions. Tongue-Mount units are easy to install and make a valuable addition to Doosan / IR portable compressors. They can easily be retrofitted to mount on various other brands as well. Freestanding units are designed to withstand the rigorous demands of the construction industry and can be used on any gas or diesel compressor when sized correctly.