Ingersoll Rand 47714008001 D Series Non Cycling Refrigerated Air Dryer 12000 lbs These units have a separate Height:12 These units have a separate internal chamber where combustion by product is isolated and expelled through a chimney which means that the hot air forced from the outlet is 100% clean heated air durable materials that can withstand rough handling The efficient and corrosion resistant heat exchanger features a built in stainless steel demister that removes all moisture and the fully adjustable programmable electronic drain valve minimizes air loss and reduces energy usage The coalescing filter stops contamination by separating water and oil from the compressed air