HNA series air treatment units is actually metal bowl type of A series air units . The metal bowl makes the bowl and guard to be one and can strongly protect the units from outside. This series air units are with the same function as A series with bowl sizes from 2000 to 5000. Among these air treatment units, bowl sizes for 3000 and above air filter can be mounted with auto drain element Very popular especially for USA and Europe.
HNA Series FRL Specification
HNA Series Air Source Treatment Units Code Numbers
