Get current pricing for Pall, T75DHA4 Pall Heatless Regenerative Desiccant Air Dryer. Model T75dha4, 85-6h-j3340-1. 120v/60hz/1 Phase. System Design 100 Psig @ 100f. 2'w X 7'h . Product Category: Process Equipment, Sub Category: Process Miscellaneous: