Condition: 100% Brand New. Internal Volume: 0.5L. Working Principle: Centrifugal Filtration. Product Length: 31.5cm/12.4. Hose Length: 55cm/21.65. The filter is made of aviation grade aluminum alloy shell to resist high pressure. Not easy to deform or crack, durable and practical to use. The filter can remove impurities, odor, oil and water. It’s suitable for filling diving bottles. Easy to use, quick to install, it won’t take up too much time. It can be used over and over again. Compatible with many kinds of air compressors. 1x Oil Water Separator. 1x Pressure Relief Screw. Other Accessories As Picture Shows. Due to manual measurement, please allow an error of 1-3mm. Due to the difference of different monitors, the picture may not reflect the actual color of the item. Thanks for your understanding!