Oil Removal Filter 1. economy, high efficiency 2. good looking 3. easily for installation 4. easily to replace the element Ultra High Efficiency Oil Removal 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 using superior duralumin,with the epoxy resin powder interior and exterior to ...