... bed, eliminates channeling. 2) Minimum purge air use, less than 12%, the lowest in the ... travels through dry desiccant. C,Ability to match purge air use to the demand on the dryer. 3) ... bed won't fluidize desiccant, making good use of the desiccant. B,Rationalizing system, remove ... bed from contamination. 4) Non basement, easy to install.Specifications: ModelHSD-1WXFHSD-2WXFHSD-3WXFHSD-6WXFHSD-8WXFHSD ...