... natural bed aging, ensure top performance of desiccant bed. C,Large flow diffusers ensure even flow distribution ... A,Excellent designing tower, saves 95% of the heat of adsorption, stored heat maintains purge air ... ability to carry off moisture, minimizing the amount of purge air required.B,Drying and purging in ... when wet air travels through dry desiccant. C,Ability to match purge air use to the ...