... easily for installation 4. easily to replace the element Air Dryer Filter: Product introduction:Grades:totally 5 grades as HF9,HF7 ... ,HF5,HF3,HF1.Max.working pressure :10kgf/cm²(10bars)Max.temperature of element :66°CNew element is ... ,we designed & manufactured HOLYSUN brand HSD series Refrigerated Air Dryer,Absorbing Air Dryer,After Cooler,Air chiller Set,Industry using Water Cooler ...